Unit Rates and Ratios

User Generated

FnzRZlref

Mathematics

Description

Find the error. Julie wrote the rate $108 in 6 weeks as a unite rate. Find her mistake and correct it.

$108/6 weeks = $54/3 weeks

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Explanation & Answer

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Unit rates are defined as rates with 1 in the denominator. If a rate is given and the quantity in the denominator is not one, then we calculate the unit rate by finding an equal ratio such that the denominator is one. In this case, Julie wrote the rate as $108 in 6 weeks as a unit rate. However, the denominator(6) is not one.
Therefore, unit rate = 108/6 = $18 per week.

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