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   Mrs. Solar receives the time estimates from each contractor. She wants to have the work done within 5 wk (200 work-hours) of when the work is started, and the sooner the better. She also wants to get a good deal.

(a)   Contractor 1's time estimate: 210 h

What is Contractor 1's total cost?

(b)   Contractor 2's time estimate: 195 h

What is Contractor 2's total cost?

(c)   Contractor 3's time estimate: 185 h

What is Contractor 3's total cost?

(d)   Which contractor should Mrs. Solar choose?

Explain your reasoning.

‚Äč

hoiuu  Oct 25, 2018
 #1
avatar+564 
0

Hey, you have not given the charge rate per hour of contract 1 and 2. Unable to solve due to incomplete information.

fiora  Oct 25, 2018
 #2
avatar+564 
0

(a)10700

(b)10875

(c)11100

(d) I think Mrs. Solar should choose contractor should choose contractor 3. beacuse contractor finish the work faster.

Mrs. Solar can eliminate contractor 1,beacuese Contractor 1's time estimate is 210 h which larger than Mrs. Solar expected.

However,the appropriate answer is Mrs. Solar should choose contractor 2 beacuse contractor 2's rate of charge 10875/195 is less than contractor 3's rate of charge 60.

fiora  Oct 25, 2018
 #4
avatar+93866 
+1

How did you get those answers Fiora?  there is no hourly rate given .... indecision

Melody  Oct 26, 2018
 #3
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mrs. straw wants to divide 222 by 7 how meney should she get 

Guest Oct 25, 2018

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