Question

Frame a formula for finding the number of minutes m in X hours, y minutes and z seconds.

Answer 1

1 hour = 60 min
therefore 1 min = $\frac{1}{60}$ hours
m minutes = $\frac{m}{60}$ hours
then $x=\frac{m}{60}$
similarly
1 min = 60 sec
y min = 60y sec
z = 60 y