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100 points for $49 worth of Veritas practice GMATs FREE VERITAS PRACTICE GMAT EXAMS Earn 10 Points Per Post Earn 10 Points Per Thanks Earn 10 Points Per Upvote ## While a family was away on vacation, they paid tagged by: Gmat_mission ##### This topic has 1 expert reply and 1 member reply ### Top Member ## While a family was away on vacation, they paid ## Timer 00:00 ## Your Answer A B C D E ## Global Stats Difficult While a family was away on vacation, they paid a neighborhood boy$11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services? A.$45
B. $54 C.$71
D. $95 E.$117

OA=A

Source: Official Guide

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Gmat_mission wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and$4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?

A. $45 B.$54
C. $71 D.$95
E. $117 OA=A Source: Official Guide ..... paid a neighborhood boy$11 per week to mow their lawn...
So, in 3 weeks, the amount the family paid for lawn-moving = (3 weeks)($11/week) =$33

...the family paid $4 per DAY to feed and walk their dog... 3 weeks = 21 DAYS So, the amount the family paid for dog care = (21 days)($4/day) = $84 TOTAL amount paid =$33 + $84 =$117

Cheers,
Brent

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Notice that

1. Family paid $11 per week to mow their lawn. 2. Family paid$4 per day to feed their cows.

Requirement:
To find out the total cost of the family during 3 weeks trips.

$$3*11 = 33$$
$$21*4 = 84$$

$$(33+84) = \117$$

Hence, __E__ is the correct answer.

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