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3 years ago

11

A cyclist rides her bike at a rate of 8 meters per second. What is this rate in kilometers per hour? How many kilometers will th

e cyclist travel in 2 hours?

1 answer:

Drupady [299]3 years ago

3 0

You multiply 8 by 120 and you get 960 miles per 2hrs

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$\stackrel{Adam~received}{18\cdot \cfrac{x}{18+17}}\qquad \qquad \stackrel{Tom~received}{17\cdot \cfrac{x}{18+17}} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since we know that Adam got "5" more}}{ \stackrel{Adam}{18\cdot \cfrac{x}{18+17}}~~ = ~~\stackrel{Tom}{17\cdot \cfrac{x}{18+17}~~ + ~~5} }\qquad \implies \qquad \cfrac{18x}{35}~~ + ~~\cfrac{17x}{35}+5$

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