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817 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 40 mph, and came back at 90 mph. What was the average speed for the round trip? |
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| 817 72 43.6 77.6 42 74.7 ( 309.9 ) 55.4 57.1 64.6 68.6 64.3 ( 310 ) [[ 619.9 ]] | ||
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