Step-by-step explanation:
It is 64*0.32=20.48 minutes or 20.5 minutes.
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
150 x .30 = 45
You saved $45 if you use the coupon for the skateboard
Please read the attached file
