[PowerPrep Plus 3 Spoiler] Chart question

GRE Quant Problem Solving
1

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I think I misinterpreted this question…I thought that the question is saying that:

return= (1-0.75) * cost = 0.25*cost

since the home is sold “less than” 75% so house could be sold for 74% (or even lower) of the cost in which case the return would be = 0.26* cost.

This means that the ratio of return/cost has to be greater than 0.25 which is true for all cases so I chose option (E) Seven.

What is the question actually asking us and where exactly did I go wrong? :confused:

2

The question is less than 75% of cost
So you have to projects where, return < 0.75 * average cost

3

Ohh thank you! So would you plug each (return, cost) pair and and see which one satisfies the inequality or is there a faster way to do it?

4

I think you will just have to plug

But you can select some on instinct, like you don’t have to check for:
Deck addition
Window replacement

You can just select them

imilarly you can deselect some of the others

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