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Ming traveled to the town hall and back. The trip there took two hours and the trip back took three hours. She averaged 10 mph faster on the trip there than on the return trip. Find Ming's average speed on the outbound trip.​

Respuesta :

Answer:30mph

Step-by-step explanation:

We know that the ratio must be 2:3. We know that 30 is 10 more than 20, which also fits into the ratio, so 30mph is the answer.

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