SOLUTION: Please can you help me solve this question, thanks the ratio of the speeds of two cars is 4:5.if the faster car is travelling at 85km/h, calculate the speed of the slower car

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Please can you help me solve this question, thanks the ratio of the speeds of two cars is 4:5.if the faster car is travelling at 85km/h, calculate the speed of the slower car      Log On


   



Question 897067: Please can you help me solve this question, thanks
the ratio of the speeds of two cars is 4:5.if the faster car is travelling at 85km/h, calculate the speed of the slower car

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
4 / 5 = x / 85
5x = 4 * 85
5x = 340
x = 68
The slower car is traveling at 68 km/h