Two cars drove towards each other from two cities, the distance between which is 600 km and met in 4 hours.

Two cars drove towards each other from two cities, the distance between which is 600 km and met in 4 hours. determined the speed of each car if one was moving 12 km / h faster than the other

1) Determine at what speed the first car was moving, if the speed of the second was 12 km / h faster, they traveled for 4 hours and covered 600 km. We draw up an equation where:

X – first;

X + 12 – second;

600 is the distance.

4X + 4 * (X + 12) = 600;

4X + 4X + 48 = 600;

8X = 600 – 48;

8X = 552;

X = 552/8;

X = 69 km / h.

2) Determine at what speed the second car was moving, if its speed is 12 km / h faster.

69 + 12 = 81 km / h.

Answer: the speed of the first car was 69 km / h, and the second was 81 km / h.