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

Question

Mathematics

Rosa Mendez

6 October, 02:19

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

+3

Answers (1)

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Arden · Answer 1

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.