Question

find the ratio of the following 30 minutes to 1.5 hours

Answer 1

30 minutes :1.5 hours
30 minutes :90 minutes
30:90
3:9
1:3

therefore 1:3 is your answer..

Answer 2

30 min is equal to 0.5 hr . 0.5 : 1.5
5/10 : 15/10
10 cancel 10
5:15
1:3