Question

4. Suppose you earn $20 per hour working part time at a tax office. You want to eam at least $1,800 this month, before tares. How many hours must you work?
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Answer 1

Answer: 90 hours  during the whole month

Step-by-step explanation:  

Just take the amount you want to earn and divide it by the earnings per hour.  This will give you the number of hours you need to work in the month.

1800/20 = 90 hours