Asked by jo
Amy had 20% more money than John. After she spent 50% of her money, she had $72 less than John. How much money had she left?
Answers
Answered by
Henry
John has $X.
Amy had X + 0.2X = $1.2X.
1.2x/2 = x - 72,
0.6x = x - 72,
x - 0.6x = 72,
0.4x = 72,
X = $180. = John's Amt.
X - 72 = 180 - 72 = $108 = Amy,s bal.
Amy had X + 0.2X = $1.2X.
1.2x/2 = x - 72,
0.6x = x - 72,
x - 0.6x = 72,
0.4x = 72,
X = $180. = John's Amt.
X - 72 = 180 - 72 = $108 = Amy,s bal.
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