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Jackie goes to the store to buy some meat. The meat costs $5.80/kg. How many grams of meat could she buy for $10?

is there an easy way to do this? I did a few others like it, but kg and grams is not as easy

  • math -

    The metric system is amazingly easy.
    In this case all you have to remember that the prefix kilo means 1000
    (e.g. 1 km = 1000 m, 1 kg = 1000 grams)

    so for $10 Jackie can buy 10/5.8 kg
    = 1.724 kg
    = 1742 grams

    In the US, a similar question might be

    "Jackie goes to the store to buy some meat. The meat costs $3.80 per pound. How many ounces of meat could she buy for $10? "
    - a much more complicated question.

  • math -

    Thank you. Why don't we use just one system, it would make things so easy!

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