Earl worked 18 hours last week. If he had earned $2.00 an hour more but had worked only 15 hours, he would have earned the same
amount. How much per hour does Earl earn? * A) $5.00 B) $10.00 C) $12.00 D) $15.00
2 answers:
Answer:
<h2>B) $10.00</h2>
Step-by-step explanation:
x - Earl's earnings per hour
The equation:
18x = 15(x + 2) <em>use the distributive property</em>
18x = (15)(x) + (15)(2)
18x = 15x + 30 <em>subtract 15x from both sides</em>
18x - 15x = 15x - 15x + 30
3x = 30 <em>divide both sides by 3</em>
3x : 3 = 30 : 3
x = 10
Answer:
B) $10.00
Step-by-step explanation:
10 × 18 = 180
10 + 2 = 12
12 × 15 = 180
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