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Make Math Moments Academy › Forums › Mini-Course Reflections › The Concept Holding Your Students Back › Lesson 8-3: Name That Constant – Discussion › Reply To: Lesson 8-3: Name That Constant – Discussion

  • Jeanette Cox

    Member
    November 19, 2020 at 5:12 pm

    Walmart is advertising a special for Irish Spring Original Deodorant Soap 3 bars (2 pack) Total of six for $10.00.

    The constant of proportionality is 3:5

    I can scale in tandem up and down. In order to find the rate I scaled up to get two packs with 12 bars for $20. To find the bar of soap per dollar you partitively divide 12/20ths reduced to 3/5ths of a bar of soap per dollar. If you want to know the dollar rate per bar of soap you partitively divide 20/12 or 5/3 and get $1. 666 or round to 1.67 per bar.T

    KY6R9
    • This reply was modified 2 years, 2 months ago by  Jeanette Cox.
    • This reply was modified 2 years, 2 months ago by  Jeanette Cox.
    • This reply was modified 2 years, 2 months ago by  Jeanette Cox.

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