If a bicyclist traveled at 8: am to 8: 18am a distance of 4.5 miles and from 8: 18am to 8: 45am a distance of 7.5 miles .what is the average miles per hour?

8 am at 0

8:18 at 4.5

8:48 at 7.5 miles ???

18 min = .3 hour

48 min = .8 hour

in first .3 hours speed = 4.5/.3 = 15 mph

in next .5 hours = speed = 3/.5 = 6 mph

average speed for the whole trip = 7.5 miles/.8 hours = 9.375 mph

the answer

b. they are parallel and will never intersect.

you cant answer this dummy

step-by-step explanation: