Question

15mins : 0.5 hours simplified

Answer 1

Answer is the ratio 1:2

Step-by-step explanation

0.5 hours = 0.5*60 = 30 minutes

15 min : 0.5 hours is the same as 15 min : 30 min

Then divide both parts by 15 to arrive at the answer 1 : 2 The "minutes" cancel out.