Question
At 12 p.m., a car left City X for City Y at an average speed of 90 km/h while a truck left City Y for City X at an average speed of 70 km/h. At 3.30 p.m., the two vehicles were 20 km apart. Find the distance between City X and City Y.
3 m

Click button first when a symbol is required. X

At 12 p.m., a car left City X for City Y at an average speed of 90 km/h while a truck left City Y for City X at an average speed of 70 km/h. At 3.30 p.m., the two vehicles were 20 km apart. Find the distance between City X and City Y.