Question

A fan consumes 1 unit of electricity in 3 hours. Rahul has two fans which consumes 21 units this month. For how many hours did he use the friends this month.​

Answer 1

Answer:

63 hours.

EXPLANATION:

21units × 3hours

=63hours.

Answer 2

Answer:

Well the simple method is:

21×3=63

Divide 63 by 2 because there are 2 fans.

63÷2=31.5 Hours.

Hence the answer is 31.5 Hours.