milan put 1/4 of her money in savings and uses 1/2 of the remaining money to pay back her sister. if she has $15 left how much did she have at first
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Answer:
Step-by-step explanation:
1/4 x 100 = 25
100 - 25 = 75
1/2 x 75 =37.5
original money = 100 x 15/ 37.5
= $40
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