David worked seven hours and earned $117.25. If he earned $670, how many hours did he work?

2 answers:

4 0

I believe the answer is 78557.5 hours

3 0

Answer:

40 hours

Step-by-step explanation:

$117.25 / 7 hours = $16.75 an hour

$670 / $16.75 = 40 hours

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