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23 June, 19:16

Vehicles drive across Bridge A at a steady rate of 20 cars per hour. Twice as many vehicles drive across Bridge B in twice as much time. Jermain says the unit rate for Bridge B would be twice as great as the unit rate for Bridge A. Is Jermain correct? Explain.

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  1. 23 June, 19:56
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    No, because it says bridge B has twice as many so there are 40 cars for 2 hours because it says twice as much time. So the unit rate is 20 cars each hour, so there will be the same unit rate.
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