4 grade

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Mario got his $10.00 weekly allowance on Monday. He spent 25% of his weekly allowance on Tuesday, 15% of his weekly allowance on Wednesday, and 10% more on Thursday. How much money did he have left to spend for the rest of the week?

  • 4 grade -

    He spent 25% + 15% + 10% = 50% of his allowance during the week so he has 100%-50% remaining.
    #10.00 x 0.50 = ?? OR another way.

    He spent 50% and that is $10.00 x 0.50 = $5.00 spent which leaves $10.00-$5.00 = $5.00 left. OR a longer way,
    $10.00 - 0.25*10 = 10.00 - 2.50 leaving 7.50.
    Then 7.50 - 0.15*10.00 = 7.50 - 1.50 = 6.00
    Then 6.00 - 0.10*10.00 = 6.00 - 1.00 = $5.00

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