Question 797194: The sum of the speeds of two cars is 724.3 mph. If the speed of first car is 7.7 faster than second car. find speeds of each. Answer by Cromlix(4381) (Show Source):
You can put this solution on YOUR website! The sum of the speeds of two cars is 724.3 mph.
x + x = 724.3
If the speed of first car is 7.7 faster than the second.
x + 7.7x = 724.3
8.7x = 724.3
x = 724.3/8.7
x = 83.3 mph
Slower car = 83.3 mph.
Faster car = 641.0 mph.
Hope this helps.
:-)
