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487 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 60 mph, and came back at 80 mph. What was the average speed for the round trip? |
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| 487 55.4 78.8 42 66.7 80 ( 322.9 ) 68.6 75 42 43.6 54.5 ( 283.7 ) [[ 606.6 ]] | ||
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