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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 mph B. 11 mph C. 1 13/16 D. 10 1/4 Please help

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 Please help
asked 193k views
20 votes
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



Please help

asked
User Mark Westling
by
7.7k points

2 Answers

7 votes
i don’t know i did this for points
answered
User PandaNL
by
8.2k points
11 votes
B. 11 mph
Take 5 1/2 miles and divide it by 1/2 hour.
So 5.5/.5 = 11
answered
User Lee Yi Hong
by
8.6k points
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