Answer to Question #218149 in Math for Sbonelo

Question

They change the oil every 3000 km, rotate tyres every 10000 km and replace wiper blades every 15000 km. After how many kilometers will they first have to change the oil, rotate the tyres and replace the wiper blades all at once?

Answer 1

The Lowest Common Multiple for 3000, 10000 and 15000 is 30000.

Thus, after 30,000 kilometers they will first have to change the oil, rotate the tyres and replace the wiper blades all at once.