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March 25, 2017

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anne, ryan and joel collect empty cans for recycling. they collect a total of 1925 cans. anne collects half as many cans as ryan. joel collects twice as many cans as ryan. how many cans does joel collect?

  • MATH - ,

    a+r+j = 1925

    2a=r

    j = 2r

    a = 1/2r

    3 1/2r = 1925

    7/2 r = 1295

    r = 370

    j= 370*2 = 740

  • MATH - ,

    A+R+J=1925
    A=R/2
    J=2R
    R/2+R+2R=1925
    3.5R=1925
    R=550
    J=2*550

    J=1100

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