math

sally has a bag with red,blue, and green marbles. She has twice as many blue marbles as red marbles. She has 5 times as many green marbles as red marbles. Altogether she has 24 marbles. How many of each color marble does she have? Explain how you found your answer.

asked by Anonymous
  1. r+b+g=24
    g = 5r
    b = 2r

    r+2r+5r = 24
    8r = 24
    r=3

    so, 3 red, 6 blue, 15 green

    posted by Steve

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