Question

john can decorate 3 christmas trees in 2 hours so how long will it take to decorate 12 christmas trees?

Answer 1

8 hours

Explanation:

`Let\ the\ time\ taken\ by\ John\ to\ decorate\ 12\ Christmas\ Trees\ be\ x\\Hence,\\Through\ the\ ratio\ method\ (Of\ multiplying\ the\ means\ and\ the\ extremes;\\3:2::12:x\\3x=24\\x=8`

Answer 2

8 hours

Explanation:

3×4 is 12 so.. just take 4 and multiply by 4 as well