Math

ann went shopping and spent half her money on a dress a third on a t shirt and a tenth on a cd . She returned with 15 dollars . how much money did she have to begin with

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1. 0.5x + 0.33x + 0.1x + 15 = x

0.93x + 15 = x

15 = 0.07x

15/0.07 = x

214.29 = x

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👩‍🏫
Ms. Sue
2. M= Anne's money

1/2M + 1/3M + 1/10M + 15 = M................multiply by the LCD 30

30*1/2M + 30*1/3M + 30*1/10M + 30* 15 = 30*M

15M + 10M + 3M +450 = 30M

28M + 450 = 30M

450 = 2M

M = \$225 to start

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