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Andrea ate 2 hot dogs in 20 minutes. At that rate, how many hot dogs would she eat in 3 hours?

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The first step is to convert the hours to minutes, this way, it will be easier to solve this question (Remember 1 hour equals 60 minutes).


3h\cdot(60\min)/(1h)=180\min

Now, use this time to find the amount of hot dogs she would eat at the rate of 2 hot dogs in 20 minutes.


180\min \cdot(2hotdogs)/(20\min)=18hotdogs

She would eat 18 hot dogs in 3 hours.

User Okroshiashvili
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