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serious [3.7K]
3 years ago
5

Sergio runs 2 1/4 miles in 30 minutes. Write the ratio in fractional form and determine Sergio's speed in miles per hour.

Mathematics
1 answer:
klasskru [66]3 years ago
5 0
\dfrac{ 2\dfrac{1}{4} }{ \dfrac{30}{60} } \\ \\ = \dfrac{9}{4} \div \dfrac{30}{60} \\ \\ = \dfrac{9}{4} \times \frac{60}{30} \\ \\ = 4.5

4.5 miles per hour.

Hope this helps. - M
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