Maths

i have two piece of ribbon one is 17.5cm longer than the other and 1/3 of one ribbon is the same as 3/4 of the other what is the size of the smaller ribbon

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  1. (1/3) long , x = (3/4) short , y
    x = y + 17.5
    (y+17.5)/3 = 3 y/4

    4 y + 70 = 9 y
    5 y = 70
    y = 14

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  2. L is longer ribbong length, S is shorter ribbon length

    L-17.5=S
    L/3=3S/4
    L= 9S/4

    9S/4 -17.5=S
    S(9/4-4/4)=17.5
    S= 4*17.5/5=14 inches

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    bobpursley

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