SOLUTION: A man drove 60 km in one hour. The next day, he started 15 minutes later. At what speed must he drive to arrive at the same destination as that of before at the same time?

Question 623475: A man drove 60 km in one hour. The next day, he started 15 minutes later. At what speed must he drive to arrive at the same destination as that of before at the same time?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
man drove 60 km in one hour. The next day, he started 15 minutes later.
At what speed must he drive to arrive at the same destination as that of before at the same time?
:
He has to cover 60 km in 45 min which is .75 hrs
let s = the required speed to do this
:
.75s = 60
s = 60/.75
s = 80 km/hr

RELATED QUESTIONS
A man cycles to a friend's house at 12 mph and arrives 1 hour late. Next day he travels (answered by TimothyLamb)

A man calculates that if he continues at the present speed, to drive the remaining 100km... (answered by math_tutor2020,ikleyn)

Yaro drove from a town Gaja to Banga. After 2 hours in the journey, he observed that he... (answered by greenestamps)

A man drove 156 km at a constant rate. If he had driven 5km/hr. faster he would made the... (answered by josmiceli,lwsshak3)

a motorist travelling at constant speed leaves A at 11 00 intending to arrive B , 100km... (answered by josmiceli,MathTherapy)

a man travels from home to work 60 mph and arrives 1 hour early. He travels the same... (answered by josgarithmetic,MathTherapy)

Two towns are 80 km. apart. Sylvia wants to drive from one town to the other in exactly... (answered by ptaylor)

A train travels 250 km at the speed of 60 km/hr and arrives ten minutes late later than... (answered by mananth)

A train travels 250 km at the speed of 60 km/hr and arrives ten minutes later than... (answered by Alan3354,josmiceli,MathTherapy)