math

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how knowing the number of pennies in one jar can help you estimate the number of pennies in a second jar that is four times as large. give me an example.

  • math -

    4500 pennies are in a pint...how many are in a half gallon (4pints).
    ans: 4*4500

  • math -

    If there are 100 pennies in one jar, there must be about 400 pennies in a jar that is four times as large.

    Do you see how I got 400?

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