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539 rateSpeed |
Name : _________________ |
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You drove to School at 50 mph, and came back at 80 mph. What was the average speed for the round trip? |
You drove to School at 40 mph, and came back at 100 mph. What was the average speed for the round trip? |
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| 539 61.5 45 91 85.6 64.6 ( 347.7 ) 57.1 43.6 43.6 91 57.1 ( 292.4 ) [[ 640.1 ]] | ||
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