Question

2. Express first quantity as a percentage of the second

a)45min,2h​

Answer 1

Answer:

1 hr = 60 minutes

2hrs = 60 * 2 minutes

= 120 minutes .

Percentage = 45 / 120 * 100

= 37 . 5 %

Answer 2

Answer:

2hr = 120 min

$\frac{45}{120} \times 100 \\ \frac{450}{12} = > 37.5\%$