Posted by **Katherine** on Tuesday, April 20, 2010 at 4:45pm.

jake spent 3/8 of his money on a book and 1/2 of what was left on a magazine.he now has $6.25. how much money did he start with?

please help me i am confused...

thank you :)

- math -
**Reiny**, Tuesday, April 20, 2010 at 4:54pm
after spending 3/8 of $x he has 5x/8 left

then he spends 1/2 of that, leaving

5x/16

5x/16 = 6.25

5x = 100

x = 20

check: 3/8 of 20 = 7.5

leaving him with 20-7.5 = 12.50

1/2 of that is 6.25, leaving him with 6.25, Check!

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