SOLUTION: During the last four months,a contractor earned $12,000,$15,000,$28,000, and $5,000 respectively.If the contractor’s goal is to earn an average of $18,000 per month over a five-mon

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Question 1107887: During the last four months,a contractor earned $12,000,$15,000,$28,000, and $5,000 respectively.If the contractor’s goal is to earn an average of $18,000 per month over a five-month period,how much does she need to earn during the fifth month?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
During the last four months,a contractor earned $12,000,$15,000,$28,000, and $5,000 respectively.If the contractor’s goal is to earn an average of $18,000 per month over a five-month period,how much does she need to earn during the fifth month?
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Equation::
(12000+15000+28000+5000+x)/5 = 18000
60000+x = 90000
x = $30,000 (amt. she needs during 5th month)
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Cheers,
Stan H.
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