Answer:
for running his avarage was 9 miles an hour
for swimming his speed was 2 miles an hour
for biking his avarage was 12 miles an hour
this means if we added all of this it would be 23/3 hours and 23/3 simplified into a decimal is 7.6 so his avarage time was 7.6 miles per hour
7.6
Step-by-step explanation:
20%
i divided the percentages each by 45 and so% was 4.4. 20% was the closest to 45.
