Question

Yan has already finished Three-fifths of the 45 math problems he was assigned today. Each math problem took him 1Four-fifths 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?

Answer 1

Given :  Yan has already finished Three-fifths of the 45 math problems he was assigned today

To find : how much more time, to the nearest minute, will the rest of the problems take him to finish

Solution:

Total Problems  = 45

Finished  = (3/5)45  = 27

Remaining = 45 - 27 = 18

Each problem took = 1 4/5   = 9/5  minutes

18 problem will take = 18 * 9 /5  = 162/5 minutes

= 32 2/5  minutes

32 minutes required to finish remaining

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Answer 2

Answer:

32 mins

Step-by-step explanation: