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Alika [10]
3 years ago
13

Mr. Harris earns $12 per hour for 40 hours of work. He earns $18 per hour for hours worked over 40. How many hours did he work i

f he earned $642?
Mathematics
1 answer:
user100 [1]3 years ago
3 0

Answer:

$49 hours

Step-by-step explanation:

12*40=$480

642-480= $162

$162/18= 9 hours more than 40

40+9=49 hours

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