Question

A chef made 30 donuts in 60minutes how long would it take him to make 90donits

Answer 1

It would take him 180 mins or 3 hours.

This is because it takes him for 2 minutes to make 1 donut.

So 90 x 2 = 180 minutes or 3 hours.

Answer 2

 30 donuts in 60 minutes
 90 donuts           ?

90 x 60 / 30 = 180 minutes

answer
180 minutes