Math
posted by Aly
Sam had foreign stamps and local stamps. After giving 1/4 of his foreign stamps and 11 local stamps, he had an equal number of foreign and local stamps. How many local stamps did he have in the beginning?
I got 32 for the answer by guessing and checking but what equation would I use to get that answer?

Steve
If he started with f foreign and g local stamps, then we have
3f/4 = g11
3f = 4g44
4g3f = 44
so, if g=32, f = 28
But there are lots of other possibilities.
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