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10 July, 15:57

Lisa spends 1/4 of her earnings on rent and 1/5 of her earnings on food. Let m stand to

monthly earnings in dollars. Which of the following expressions represents the number of

dollars Lisa has left at the end of the month after paying rent and buying food.

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Answers (1)
  1. 10 July, 19:29
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    Step-by-step explanation:

    Let her total earnings be m

    Rent = 1/4m

    Food = 1/5m

    Amount left = m - 1/4m - 1/5m

    Amount left = (20m - 5m - 4m) / 20

    Amount left = 11m/20
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