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645 rateSpeed |
Name : _________________ |
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You drove to School at 50 mph, and came back at 70 mph. What was the average speed for the round trip? |
You drove to School at 70 mph, and came back at 80 mph. What was the average speed for the round trip? |
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| 645 58.3 68.6 53.3 77.6 50.9 ( 308.7 ) 74.7 77.6 57.1 44.4 55.4 ( 309.2 ) [[ 617.9 ]] | ||
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