Maths

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The ratio of the amount of money Karen had to the amount of money Peter had was 2:5. Peter received $75 from his mother, the ratio became 4:15. How much money did each person have at first?

  • Maths -

    Karen had 2x
    Peter had 5x

    after mom's gift
    Karen --- 2x
    Peter ---- 5x+75

    2x/(5x+75) = 4/15
    30x = 20x + 300
    10x = 300
    x = 30

    Karen had 60
    peter had 150

    check:
    Karen still has 60 , Peter has 225

    60:225 = 4:15

  • Maths -

    is the answer Karen: $105?
    please answer or im shutting down this website

  • Maths -

    You guys have 5 minutes left!

  • Maths -

    Is 1 unit 15?

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