You are trying to save $25
a week to buy a new CD
player. During the last 4
weeks you have saved $35,
$25, $16, and $32. How much
do you need to save this
week to average $25 for the
5 weeks?

17 dollars because if you add 35, 25, 16, and 32 the total will be 108 and since you are trying to average 25 over the span of five weeks you multiply 5 x 25 which equals 125 and you subtract that by 108 and the answer you are left with is 17.

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