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steposvetlana [31]
3 years ago
12

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
Mathematics
2 answers:
blondinia [14]3 years ago
5 0

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

ruslelena [56]3 years ago
3 0

Answer:

B) $10.00

Step-by-step explanation:

10 × 18 = 180

10 + 2 = 12

12 × 15 = 180

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