Question

Kelly makes $10 more per hour than her regular pay when she is working overtime. Yesterday, she worked 8 regular hours and 4 overtime hours and earned $160.

What is Kelly's regular pay per hour?

Answer 1

Answer:

$.$

4 overtime hours regular pay + $40

Total $ earned - $160

Total hours - 12 hours (8 reg + 4 overtime)

$160 - $40 = $120

$120/12 = $10

Her regular pay is $10 per hour.

Answer 2

Answer:

$10

Step-by-step explanation:

We can express the pay when she works on her shift as m. So we get

8m + 4(m+10) = 160

We distribute into the parenthesis giving us

8m + 4(m) + 4(10) = 160

This simplifies into

8m + 4m + 40 = 160

We combine 8m and 4m to get

12m + 40 = 160

Subtracting 40 from both sides gives us

12m = 120

Dividing by 12 on both sides gives us

m = 10

So, sadly Kelly's pay is only 10 dollars per hour. Her overtime pay is 20 dollars per hour.

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