SOLUTION: Earl worked 20 hours last week. If he earned .50 an hour more but only worked 18 hours, he would have earned the same amount. How much per hour does earl earn?

Question 510938: Earl worked 20 hours last week. If he earned .50 an hour more but only worked 18 hours, he would have earned the same amount. How much per hour does earl earn?
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
x = his rate of pay
20x = how much he was paid for working 20 hr
.
18*(x+1/2) = 20x
.
18x + 9 = 20x
9 = 2x
x = 4 1/2
.
20 * 4 1/2 = $90
.
18 * 5 = $90
.
So the correct answer is $4.50.
.
Done.
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