Question

How many minutes are there in 4 and a half hours?

Answer 1

$1 \ hour=60 \ minutes \\\\ a \ half \ an \ hour = \frac{1 \ hour}{2}=\frac{60min}{2}=30 minutes \\\\ 4 \ hurs \ and \ a half = 4*60+30= \\\\ =240+30=\\\\ =\boxed{270}$

Answer 2

One hour is 60 minutes, so 4 and a half hours is:

60 * 4,5 = 270 minutes

Answer: There are 270 minutes in 4 and a half hours.

I hope it will help you :)