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In a regular week, there are 5 working days and for each day

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In a regular week, there are 5 working days and for each day

by sachin_yadav » Sat Jun 08, 2013 9:27 am
In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets $ 2.40 per hour for regular work and $ 3.20 per hours for overtime. If he earns $ 432 in 4 weeks, then how many hours does he work for ?

A). 160
B). 175
C). 180
D). 190
E). 195

Will post OA after discussions.

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by Brent@GMATPrepNow » Sat Jun 08, 2013 9:37 am
sachin_yadav wrote:In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets $ 2.40 per hour for regular work and $ 3.20 per hours for overtime. If he earns $ 432 in 4 weeks, then how many hours does he work for ?

A). 160
B). 175
C). 180
D). 190
E). 195
The assumption here is that the man is paid $2.40/hour during the first 8 hours of a given day, and then earns $3.20 for each hour past the regular 8-hour day.

So, as far as "regular" hours go, the man works 40 hours per week, which means 160 hours in 4 weeks.
At $2.40/hour, the man makes $384 for those 160 regular hours, without any overtime.

We're told that the man made $432, which means he must have worked some overtime.
Since $432 - $384 = $48, the man made $48 in overtime pay.
At $3.20 per hour, this means the man worked 15 overtime hours (since 48/3.20 = 15)

So, in total, the man worked 160 + 15 hours.
He worked 175 hours.

Answer = B

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by sachin_yadav » Sun Jun 09, 2013 9:06 am
Thanks Brent.

OA is B
Brent@GMATPrepNow wrote:
The assumption here is that the man is paid $2.40/hour during the first 8 hours of a given day, and then earns $3.20 for each hour past the regular 8-hour day.

So, as far as "regular" hours go, the man works 40 hours per week, which means 160 hours in 4 weeks.
At $2.40/hour, the man makes $384 for those 160 regular hours, without any overtime.

We're told that the man made $432, which means he must have worked some overtime.
Since $432 - $384 = $48, the man made $48 in overtime pay.
At $3.20 per hour, this means the man worked 15 overtime hours (since 48/3.20 = 15)

So, in total, the man worked 160 + 15 hours.
He worked 175 hours.

Answer = B

Cheers,
Brent
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