Question

Aaron mowed 7 lawns and 4 hours at that rate how long will it take him to mow 21 lawns

Answer 1

Answer: It would take Aaron 12 hours to mow 21 lawns.

Explanation:

This is because 7x3=21, so If we multiply 4 by 3, we get 12. Therefore, It would take Aaron 12 hours to mow 21 lawns.

Answer 2

12 hours

Explanation:

7 lawns= 4hrs

14 lawns=8 hrs

21 lawns=12 hrs

its a pattern

if you know your multiple of 7 & 4 this would be easy