Question

Yan has already finished 3/5 of the 45 math problems he was assigned today. Each math problem took him 1 4/5 of a minute to complete. If this pace continues, how much more time, to the nearest minute, will the rest of the problems take him to finish?

A. 18 min
B.27 min
C.32 min
D.43 min

Answer 1

If you want clarification, this guy is right.

Explanation:

I took the quiz and the answer that he said was correct. Props to this guy.

Answer 2

C. 3/5 of 45 = (45÷5)*3 = 27. 2/5 of 45 = 18 questions to complete. 4/5 of a minute = (60÷5)*4 = 48 seconds. 1 minute + 48 seconds = 1 min 48. 1 min 48*18 = 1944. 1944÷60= 32.4. Round or down and it gives 32 minutes.