SOLUTION: PLEASE HELP....MELANIE EARNED $450 IN JANUARY, $320 IN FEBRUARY, AND $665 IN MARCH AS A TUTOR. HOW MUCH MUST SHE EARN IN APRIL IN ORDER TO AVERAGE AT LEAST $500 PER MONTH FOR THE 4

Question 501142: PLEASE HELP....MELANIE EARNED $450 IN JANUARY, $320 IN FEBRUARY, AND $665 IN MARCH AS A TUTOR. HOW MUCH MUST SHE EARN IN APRIL IN ORDER TO AVERAGE AT LEAST $500 PER MONTH FOR THE 4 MONTHS FROM JANUARY THROUGH APRIL?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The definition of an average is:
( sum of values of all the samples ) / ( the number of samples )
The number of samples is (Jan,Feb,Mar,Apr)
Call her earning in April
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She must earn $565 in April to average at least $500 per month Jan-Apr
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