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Make Math Moments Academy › Forums › Mini-Course Reflections › The Concept Holding Your Students Back › Lesson 8-2: Ratio and Rate Reasoning – Discussion › Reply To: Lesson 8-2: Ratio and Rate Reasoning – Discussion

  • Nicole Jackson

    Member
    July 26, 2022 at 10:12 pm

    Rate reasoning would be more helpful in the following scenario:

    My car has a gas tank size of 21 gallons. On my last trip to the gas station, it cost $88 to fill up.

    How much would it cost to purchase only 14 gallons of gas?

    14 is about 67% of 21.

    67*88 = 5,896

    5,896/100 = 58.96

    It would cost approximately $58.96 to purchase 14 gallons.

    @jon , @kyle These numbers are not friendly, so they do not scale up and down well.

    However, is my thinking correct?

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