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428 rateSpeed |
Name : _________________ |
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You drove to School at 40 mph, and came back at 100 mph. What was the average speed for the round trip? |
You drove to School at 30 mph, and came back at 50 mph. What was the average speed for the round trip? |
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| 428 57.1 48 40 43.6 64.6 ( 253.3 ) 37.5 75 43.6 68.8 78.8 ( 303.7 ) [[ 557 ]] | ||
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