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Mathematics, 04.02.2021 05:20 genesis0523

A dolphin swam 5 1/2 miles in 1/2 hour. What was its average speed in miles per hour (mph) A. 20 mph
B. 11 mph
C. 1 13/16
D. 10 1/4

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A dolphin swam 5 1/2 miles in 1/2 hour. What was its average speed in miles per hour (mph) A. 20 mp...
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