Answer :

SlowZasob
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 :)
mariamikayla
[tex]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} [/tex]