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09-02-2020
Mathematics

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Susy had 2/3 as much money as Mary at first. After receiving 1/2 of Susy's money, Mary had $210. How much money did Susy have at first.

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09-02-2020

Answer:

Mary originally had $105

Step-by-step explanation:

Suzy's Money = s

Mary's Money = m

After Mary received half of two-thirds of her money, she had 210.

1/2 of 2/3 = 1/3

m + 1/3*m = 210

1 1/3m = 210

m=157.5

Mary originally had $157.50

2/3 * 157.5 = 105

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