During the first four months of the year, Jack earned $740, $570, $1350 and $1410. If Jack must have an average salary of at least $1020 in order to earn retirement benefits, what must Jack earn in the
Fifth month in order to qualify for benefits?
A)at least $1018
B)at most $1020
C)at most $1018
D)at least $1030

Question

Quizplus · Accepted Answer

To find the required earnings for the fifth month, calculate the total earnings needed for an average of $1020 over five months: $1020 * 5 = $5100. Jack's current total earnings are $740 + $570 + $1350 + $1410 = $4070. Therefore, he needs to earn at least $5100 - $4070 = $1030 in the fifth month.

During the First Four Months of the Year, Jack Earned