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Kyle works at a barber shop on Thursday, Saturday and Monday for a total of 16 hours. He works twice as many hours on Saturday as on Thursday. He works 4 hours on Monday. How many hours does Kyle work on Saturday.

 Oct 19, 2015
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Kyle works at a barber shop on Thursday, Saturday and Monday for a total of 16 hours. He works twice as many hours on Saturday as on Thursday. He works 4 hours on Monday. How many hours does Kyle work on Saturday.

 

Let H be the hours Kyle works on Thursday, then we have:

2H-hours that Kyle works on Saturday, So we have:

H + 2H + 4=16

3H=16 - 4=12

H=12/3=4- hours that Kyle works on Thursday.

4 X 2=8-hours

16-4-8=4-hours that Kyle works on Monday.

4 + 8 + 4=16 Total hours that Kyle works per week.

 Oct 19, 2015

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