Math

posted by Roni

Lela and pepe are playing a video game. The game scores are a ratio of 1:5. Lela completes a quest and earns 48 points. Their score ratio is now 5:9. What is pepe's score?

  1. Steve

    If their scores are x and y, we have

    x/y = 1/5
    (x+48)/y = 5/9

    Now just solve for y

    (x+48)/y = x/y + 48/y, so

    1/5 + 48/y = 5/9
    48/y = 16/45
    y = 135

    check:
    x = 27
    (27+48)/135 = 75/135 = 5/9

  2. Esien

    216

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