$175/7 = $25 per week
$375/15 = $25 per week
$25(#weeks) = total
At the beginning of the summer Molly decided to add a little money into her savings account every week. After seven weeks her account had $175. At the end of 15 weeks her account had $375. Assumed that she put the same amount of money into her savings account every week and will continue to do so. Can some plz tell me what the expression for this problem is??
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