math

Jennifer went to the post office for stamps. She bought the same number of 8 cents stamps and 10 cents stamps. She also bought as many 2 cents stamps as both of the other two combined. How many of each kind did she get if she paid a total of $4.40 for them all?

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  1. If she bought x 8-cent stamps, then
    8x + 10x + 2*2x = 440

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  2. so then do 8x+10x+4x=22x and 440 / 22= 20

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  3. since x=20, he bought 20 8-cent stamps and 20 10-cent stamps and 40 2-cent stamps

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  4. 20*8= 160, 20*10= 200, 40*2= 80, and 160+200+80= 240

    therefore what Steve said was wrong

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  5. Happy holidays to all of you :)

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