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2 years ago

14

Sam got a new job with a seven dollar per hour raise. He worked for five hours and got paid $85. How much did he make before the

raise?
A: 10 per hour
B: 11 per hour
C:12
Or
D:13

2 answers:

Olegator [25]2 years ago

8 0

I believe the answer would be C, 12.

Levart [38]2 years ago

5 0

17 per hour?... all of these are incorrect

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Step-by-step explanation:

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She worked a total of 15 hours. If she makes $15 per hour tutoring and $9 per hour at the grocery store and made a total of $159

Ugo [173]

Answer:

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Step-by-step explanation:

assuming,

the number of hours worked at tutoring = x

the number of hours worked at grocery store = y

which means,

the amount she made at tutoring = x* $15

the amount she made at grocery store = y*$9

we have 2 equations

<em>total number of hours</em>

1) x+y= 15

<em>total amount she earned</em>

2) x* $15+ y* $9= $159

From equation 1

x+y= 15

x=15-y

<em>we replace this x value in equation 2</em>

x* $15+ y* $9= $159

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225-159=6y

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66/6=y

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<em>we place y=11 in our derived x equation</em>

x=15-y

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