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472 rateSpeed |
Name : _________________ |
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You drove to School at 40 mph, and came back at 90 mph. What was the average speed for the round trip? |
You drove to School at 70 mph, and came back at 100 mph. What was the average speed for the round trip? |
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| 472 55.4 74.7 55.4 43.6 77.6 ( 306.7 ) 82.4 77.6 57.1 74.7 40 ( 331.8 ) [[ 638.5 ]] | ||
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