Question

A tortoise is walking in the desert. It walks at a speed of 3 meters per minute for

Answer 1

He will walk for 1.6 minutes

Answer 2

We know, Time = Distance / speed

Substitute their values, 
T = 4.8 / 3
T = 1.6 mins

In short, Your Answer would be: 1.6 minutes

Hope this helps!