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iren2701 [21]
3 years ago
11

You and a friend both work two different jobs. the system of linear equations represents the total earnings for x hours worked a

t the fi earns twice as much as you.
a. one week, both of you work 4 hours at the fi rst job and y hours worked at the second job. your friend rst job. how many hours do you and your friend work at the second job?
Mathematics
1 answer:
levacccp [35]3 years ago
5 0
Me :           4 x + 8 y   =  64
My friend:  8 x + 16 y = 128
A ) 4 * 4 + 8 y = 64
     16 + 8 y = 64
     8 y = 64 - 16
     8 y = 48
     y = 48 : 8
     y = 6 ( me and my friend work 6 hours at the second job )
B )  The number of hours we each work at the first job are also the same.
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