Answer:
9:11.
Explanation:
First convert the 2 times to minutes:
Sylvia worked for 3*60 + 45 = 225 minutes.
Paul worked 4*60 + 35 = 275 minutes.
So the ratio is 225:275. Simplifying:
225 / 25 : 275/25
= 9 : 11 (answer).
5.9m questions
7.8m answers