SOLUTION: a toy car travels from A to B at a constant speed of 20km/h and immediately returns to A at a constant speed v. if average speed of the car is 24km/h the find v?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: a toy car travels from A to B at a constant speed of 20km/h and immediately returns to A at a constant speed v. if average speed of the car is 24km/h the find v?       Log On

               SPEED      TIME         DISTANCE
A to B          20        d/20          d
B to A           v        d/v           d
Totals                    d/20+d/v     2d

Average         24