Math
posted by Sara
Mr. Dinkelspiel bought $32.56 worth of stamps. He bought 20 more 19cent stamps than 50cent stamps. He bought twice as many 32cent stamps as 19 cent stamps. How many of each kind did he buy?

damiensandowz
He bought x 50cent stamps.
He bought x+20 19cent stamps.
He bought 2(x+20) 32cent stamps.
50*x + 19(x+20) + 32*2(x+20)=3256
x=12
x+20 = 12+20=32 19cent stamps.
2(x+20)=2*32=64
So he bought 12 50cent stamps, 32 19cent stamps and 64 32cent stamps.
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