SOLUTION: Kelly makes $10 more per hour than her regular pay when she's working overtime. Yesterday she worked 8 regular hours and 4 overtime hours and earned $160. What is kelly's regular p

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Question 808319: Kelly makes $10 more per hour than her regular pay when she's working overtime. Yesterday she worked 8 regular hours and 4 overtime hours and earned $160. What is kelly's regular pay per hour?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
e = r + 10
8r + 4e = 160
---
8r + 4(r + 10) = 160
8r + 4r + 40 = 160
12r = 120
r = 10
Answer:
her regular pay is $10/hour
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