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?
1 answer:
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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