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for 15 weeks, sue put the same amount of money in a jar. then she took $9 out to spend on a friend's birthday present. she had $21 left. how much did she put in each week?



Answer :

dln
[tex]x=amount\ she\ put\ in\ each\ week \\ 15x-9=21 \\ 15x=30 \\ x= \frac{30}{15} \\ x=2 \\ \boxed{2\ dollars\ each\ week}[/tex]
$2 because you add the 9 back to the 21 then divide by 15 to get 2

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