Mathematics, 18.06.2021 06:00 jamarstand

a racer called the whirlwind. Its poster says that in 1/20 hour it covers 7/10 mile. What is the Whirlwind’s speed in miles per hour?

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a racer called the whirlwind. Its poster says that in 1/20 hour it covers 7/10 mile. What is the Whi...