the average speed of car is
A car covers the first half the distance between two places at 40 km/h another half at 60 km/h, the average speed of car is
23
Aug
A car covers the first half the distance between two places at 40 km/h another half at 60 km/h, the average speed of car is A car covers the first half the distance between two places at 40 km/h another half at 60 km/h the average speed of car is August 23, 2020 Category: Chapter [...]