IXL | Convert customary and metric units using proportions

Which proportion could you use to convert 5 kilograms to grams?

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kilogram

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kilograms

1,000

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Convert.

kilograms

grams

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question

Which proportion could you use to convert 16 cups to pints?

cups

pint

cups

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cups

pint

cups

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Convert.

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pints

solution

Write a proportion to convert 16 cups to pints. First, write a unit rate that relates cups and pints. Remember that there are 2 cups in 1 pint.

cups

pint

Now, write another rate with the numbers from the problem. Put cups in the numerator and pints in the denominator to match the unit rate.

cups

pint

cups

pints

Use this proportion to convert 16 cups to pints. Compare the numerators.

cups

pint

cups

pints

To get from 2 to 16, multiply by 8. Multiply the numerator and denominator by 8 to convert.

cups

pint

cups

pints

So, 16 cups = 8 pints.

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