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eli
Lv 7
eli asked in Science & MathematicsMathematics · 8 years ago

Adding unlike denominators and coming up with the wron g answer?

One month Mary used 1/6 of her monthly salary for a car payment and ¼ more than the car payment for rent. What fraction of her monthly salary did Mary use that month for the car payment and rent combined?

So, I figured 1/6*4/4 + 1/4*6/6=10/24 or 5/12, But the answer is 3/8, what did I do wrong?

1 Answer

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  • Anonymous
    8 years ago

    Car = 1/6

    Rent = 1/6 + 1/6 * 1/4 = 5/24

    Total = 1/6 + 5/24 = 3/8

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