25 Points! Please Help Me With This. Click On The Photo And Can You Please Help Me Answer #4 I Do Not Get What It Means. If You Can Also Show Your Work Thanks!

2 answers
Question:

25 Points! Please Help Me With This. Click On The Photo And Can You Please Help Me Answer #4 I Do Not Get What It Means. If You Can Also Show Your Work Thanks!

Answers

Answer:So both equations are trueStep-by-step explanation:#4 was asking you to substitute x = 4 into both equations to see if it's the solution of the equations.Substitute x = 4Ritz equationy = 30x  + 20y = 30(4) + 20y = 120 + 20y = 140Smits equation:y = 15x + 80y = 15(4) + 80y = 60 + 80y = 140Both companies charged same price  $140 for 4 daysSo both equations are true

Answer:Step-by-step explanation:It is a bit ambiguous. I'm assuming that what they want you to do is to substitute y = 140x = 4  Into the two equations that went into making the answer of 4 come upy = 30x + 20y = 30*4 + 20y = 120 + 20y = 140 which is in agreement with your answer==========y = 15x + 80y = 15*4 + 80y = 60 + 80y = 140==============Conclusionboth equations give the same answer. Both equations are correct.

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