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819 rateSpeed |
Name : _________________ |
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You drove to School at 60 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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| 819 72 80 50.9 64.6 50.9 ( 318.4 ) 82.4 82.4 50.9 44.4 37.5 ( 297.6 ) [[ 616 ]] | ||
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