SOLUTION: a car travels from a to b in 45 mins with speed of 40 km/hr .if the speed is increased by 10km/hr what will be the time to cover the same distance

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: a car travels from a to b in 45 mins with speed of 40 km/hr .if the speed is increased by 10km/hr what will be the time to cover the same distance       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 921415: a car travels from a to b in 45 mins with speed of 40 km/hr .if the speed is increased by 10km/hr what will be the time to cover the same distance
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
45 minutes is 3%2F4 hour.

RATE*TIME=DISTANCE.

%2840%29%283%2F4%29=%2840%2B10%29t;
solve for t in hours. Convert to minutes if desired.