A metalworker has a metal alloy that is 30% copper and another alloy that is 55% copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 50% copper alloy? The metal worker should use (blank) kilograms of the metal alloy that is 30% copper and (blank) kilograms of the metal alloy that is 55% copper. (show your work)​

2 answers
Question:

A metalworker has a metal alloy that is 30% copper and another alloy that is 55% copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 50% copper alloy? The metal worker should use (blank) kilograms of the metal alloy that is 30% copper and (blank) kilograms of the metal alloy that is 55% copper. (show your work)​

Answers

X+Y=100kgX=100-YX*0.3+Y*0.55=100*0.5(100-Y)*0.3+Y*0.55=5030-0.3*Y+0.55*Y=500.25*Y=20Y=80 kgX=100-80X=20 kgThe metal worker should use 20 kilograms of the metal alloy that is 30% copper and 80 kilograms of the metal alloy that is 55% copper.

Answer:x=20kgStep-by-step explanation:

Similar Solved Questions

1 answer

What method of generating electricity doesn't make use of a rotating generator?

What method of generating electricity doesn't make use of a rotating generator?...
2 answers

The function f(x) = 800(1.09)4x shows the growth due to interest that Jim earns on an investment. The steps to calculate an equivalent function are shown below: [Step 1] f(x) = 800(1.09)4x [Step 2] f(x) = 800(1.094)x [Step 3] f(x) = 800(1.4116)x [Step 4] f(x) = (1129.27)x Which of the following is the first incorrect step? There is no mistake in the work. Step 1 Step 2 Step 3 Step 4

The function f(x) = 800(1.09)4x shows the growth due to interest that Jim earns on an investment. The steps to calculate an equivalent function are shown below: [Step 1] f(x) = 800(1.09)4x [Step 2] f(x) = 800(1.094)x [Step 3] f(x) = 800(1.4116)x [Step 4] f(x) = (1129.27)x Which of the following ...
1 answer

Select the correct answer. How does the element of body language contribute to performance? A. It helps reveal the characters’ thoughts and feelings. B. It establishes the setting of a given performance. C. It creates an appropriate tone and mood. D. It highlights important symbols and themes.

Select the correct answer. How does the element of body language contribute to performance? A. It helps reveal the characters’ thoughts and feelings. B. It establishes the setting of a given performance. C. It creates an appropriate tone and mood. D. It highlights important symbols and themes....
1 answer

Hey! How Are You? Alright, Hopefully Good. Now, Can someone please help me out with this problem?? Click the Picture :)

Hey! How Are You? Alright, Hopefully Good. Now, Can someone please help me out with this problem?? Click the Picture :)...
1 answer

How does exercise affect a person's body and homeostasis?

How does exercise affect a person's body and homeostasis?...
1 answer

A line with a slope of 0 passes through the point (0, -5) . what is its equation i n slope -intercept form?

A line with a slope of 0 passes through the point (0, -5) . what is its equation i n slope -intercept form?...
1 answer

An alien civilization has different names and symbols for six elements. Place each element in the correct location in the periodic table. Atomic Number 8 18 Jeptum 101 2 13 14 15 16 17 Uses supports life He Halu 4.00 5 B 6 С Li Be 8 N02 F F 140 16.00 19.00 2 10.81 12.03 6.94 9.01 Incorrect. The element you selected is not a metalloid

An alien civilization has different names and symbols for six elements. Place each element in the correct location in the periodic table. Atomic Number 8 18 Jeptum 101 2 13 14 15 16 17 Uses supports life He Halu 4.00 5 B 6 С Li Be 8 N02 F F 140 16.00 19.00 2 10.81 12.03 6.94 9.01 Incorrect. The ele...
1 answer

Heart disease is a malformation of the heart present at birth.

heart disease is a malformation of the heart present at birth....
1 answer

As a developmental psychopathologist, Dr. Lee believes that conditions such as depression and eating disorders are the result of ________.

As a developmental psychopathologist, Dr. Lee believes that conditions such as depression and eating disorders are the result of ________....
2 answers

Which of the following is an example of a physical trait? A. nesting B. hair color C. burrowing D. cystic fibrosis

Which of the following is an example of a physical trait? A. nesting B. hair color C. burrowing D. cystic fibrosis...
1 answer

​________ is defined as the shared technology resources that provide the platform for the​ firm's specific information systems applications. a. information technology infrastructure b. instructional technology c. information systems​ (is) d. management information systems​ (mis) e. database click to select your answer. save for later

​________ is defined as the shared technology resources that provide the platform for the​ firm's specific information systems applications. a. information technology infrastructure b. instructional technology c. information systems​ (is) d. management information systems​ (mis) e. database ...
1 answer

Describe how the layers of earth formed (what happened before they settled out, how did they settle into distinct layers)​

describe how the layers of earth formed (what happened before they settled out, how did they settle into distinct layers)​...
1 answer

Perform the calculation and report your answer using sig figs. 126.3851 + 7.2 + 73.607 + 15.98

Perform the calculation and report your answer using sig figs. 126.3851 + 7.2 + 73.607 + 15.98...
1 answer

What is the equation of the line that passes through the point (6,8) and has a slope of -2/3 ?

What is the equation of the line that passes through the point (6,8) and has a slope of -2/3 ?...
1 answer

2 2.5.2 Test (CST): Computer Scored Unit Test Question 7 of 25 What is the name of the particle that circles the nucleus of an atom? A. Protein B. Electron C Neutrong D. Proton SUBMIT

2 2.5.2 Test (CST): Computer Scored Unit Test Question 7 of 25 What is the name of the particle that circles the nucleus of an atom? A. Protein B. Electron C Neutrong D. Proton SUBMIT...
1 answer

MARKING AS BRAINLIEST

MARKING AS BRAINLIEST...
2 answers

On the periodic table, there are two numbers in the block for the element potassium, K: 19 and 39.098. What are the names of the numbers and what do they measure?

On the periodic table, there are two numbers in the block for the element potassium, K: 19 and 39.098. What are the names of the numbers and what do they measure?...
1 answer

He will not come ........ it rains. ( Conjunction )​

He will not come ........ it rains. ( Conjunction )​...
1 answer

Based on the Lewis/electron dot representation of the two atoms, predict the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound. .Ca. .P. A. 1:1 B. 3:2 C. 2:1 D. 3:1

Based on the Lewis/electron dot representation of the two atoms, predict the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound. .Ca. .P. A. 1:1 B. 3:2 C. 2:1 D. 3:1...

-- 0.041060--