Grade 10 Math

A student can walk 30ft in 10s. Hiw far could she walk in 1 hour? Write the answer in miles and yards.

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  1. use a simple ratio:
    30/10 = x/60 , notice 60 minutes = 1 hr
    x = 60(30/10) = 180 ft
    you do the conversion to yards, etc

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  2. 60 yd

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  3. 3600 yd
    If you can go 30ft/10s and there are 3ft in 1yd you can go 1yd/s (10yd/10s simplified)
    Since there's 60s in 1m,you can go 60yd/m
    Since there's 60m in 1h, you can go 3600yd/h

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