<u>Answer:</u>
a. 2 miles
b. Answer: 45 minutes
c. Answer: 8 miles per hour
d. Answer: 7.5 minutes per mile
<u>Explanation:</u>
Given distance = 20 miles and time taken = 150 minutes, speed = constant
a. 2 miles
Given 20 miles travelled in 150 minutes,
distance travelled in 1 minute = ![$\frac{20}{150}$](https://tex.z-dn.net/?f=%24%5Cfrac%7B20%7D%7B150%7D%24)
so that distance travelled in 15 mins =
miles
b. 45 minutes
time taken to travel one mile =![$\frac{150}{20}$](https://tex.z-dn.net/?f=%24%5Cfrac%7B150%7D%7B20%7D%24)
so that time taken to travel 6 miles =
minutes
c. 8 miles per hour
Speed of bike = distance travelled divided by time taken
time taken in hours =
= 2.5 hours
Speed in miles per hour =
miles per hour
d. 7.5 minutes per mile
pace is given by time divided by distance,
so pace in minutes per mile =
minutes per mile