SOLUTION: 7. After spending 5/8 of her money on marketing, a lady had $10.50 left. How much had she at first.

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Question 389569: 7. After spending 5/8 of her money on marketing, a lady had $10.50 left. How much had she at first.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
I. Assigning the variable
Let x represent the money she first had
II.Writing as we Read***
x - 5/8x = $10.50
III.Solving for x
3/8x = $10.50
x = 8/3*$10.50
x = $28, the money she first had
IV. CHECKING Our Answer***
$28 - 5/8*$28 = $28.00 - $17.50 = $10.50