Question

(b) 45 minutes to 1 hour​

Answer 1

Answer:

$\color{black}\boxed{\colorbox{saffron}{1hour=60mins}}$

= 45:60

= $\cancel{45}{:}\cancel{60}$

= 3:4

Answer 2

Answer:

45/60=3/4=.75

Step-by-step explanation:

Hope it is helpful