Ali, Benny and Charles had 255 stamps altogether. Ali gave 3/8 of his stamps to Benny and 1/5 of them to Charles. After that, all the three boys had the same number of stamps. How many more stamps did Charles have than Benny at first?
Ali, Benny, and Charles had 255 stamps altogether. Ali gave 3/8 of his stamps to Benny and 1/5 of them to Charles. After that, all the three boys had the same number of stamps. How many more stamps did Charles have than Benny at first?
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A + B + C = 255
Ali's stamps => x
x - (3x/8 + x/5) = 85
x = 200 (Ali's stamps at first)
3x/8 = 75 (Ali gave to Benny)
Benny had 10 stamps at first.
x/5 = 40 (Ali gave to Charles)
Charles had 45 stamps at first.
Charles had 35 more stamps than Benny!