11. Set up the rational work application problem. Shelby and Mary started a beading business to make mask lanyards. If they work together they can make 5 lanyards in 40 mins. Mary can make 5 lanyards in 70 mins if she works alone. How would you set up the equation to solve for how long will it take for Shelby to make 5 lanyards by herself? 40 40 + = 5 5 X 40 40 + = 1 b. 70 X 40 70 + = 1 c. 5 X 70 5 + - = 1 d. 40 x a.

1 answer
Question:

11. Set up the rational work application problem. Shelby and Mary started a beading
business to make mask lanyards. If they work together they can make 5 lanyards in 40
mins. Mary can make 5 lanyards in 70 mins if she works alone. How would you set up
the equation to solve for how long will it take for Shelby to make 5 lanyards by herself?
40 40
+ = 5
5 X
40 40
+
= 1
b. 70 X
40 70
+ = 1
c. 5 X
70 5
+ - = 1
d. 40 x
a.

Answers

The first one might be b or c

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