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That would really depend on the difficulty of the math problems. Some problems can be solved in seconds by somebody experienced in math, others may take hours.

Q: Can you complete 2 math problems in 5 minutes and do three fourths of it each minute and why?

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There are two possible answers: 2/5 problems per minute or 5/2 minutes per problem. The logic behind these fractions is simple. You have two measures: 2 problems and 5 minutes. So one fraction, the first, is "2 problems" divided by "5 minutes" and the other is "5 minutes" divided by "2 problems".

Logan can complete 25 questions in 1 minute. You get that answer by dividing.

At 0 minutes, turn both the hourglasses.After 4 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 3 minutes left.Turn the 4 minute hourglass.After 7 minutes:The 4 minute hourglass: 1 minute left.The 7 minute hourglass: 0 minutes left.Turn the 7 minute hourglass.After 8 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 1 minute left.Turn the 7 minute hourglass.After 9 minutes:The 4 minute hourglass: 0 minute left.The 7 minute hourglass: 0 minutes left.Now you know you are finished.

The answer to the question, as worded, depends on out of how many minutes Jacob had 5/12 remaining. If you assume it was out of 1 minute, then Jacob was faster.

1 hour and 25 minutes = 85 minutes = 20 minutes @ 22 a minute + 20 minutes @ 15 a minute + 45 minutes @ 03 a minute = 440 + 300 + 135 = 875

Related questions

.4

40

111.6 minutes or 1 hr 51.6 minutes

this is a rate time problem. The long way to do this is:rate = (#problems completed)/(time) = (3/3) = 1so now we kow that three students complete 1 problem per minutethen one student completes 1/3 problem per minuteand 33 students complete 33*(1/3) problems per minute = or 11time = (# to complete)/(rate) = 33/11 = 3so it takes 33 students 3 minutes to coplete 33 problems.

Most people would run about a 6 minute mile to achieve a time of 18 minutes.

There are two possible answers: 2/5 problems per minute or 5/2 minutes per problem. The logic behind these fractions is simple. You have two measures: 2 problems and 5 minutes. So one fraction, the first, is "2 problems" divided by "5 minutes" and the other is "5 minutes" divided by "2 problems".

45

Logan can complete 25 questions in 1 minute. You get that answer by dividing.

There is exactly 1 minute in a minute. There is 0.01666... recurring hours in 1 minute.

At 0 minutes, turn both the hourglasses.After 4 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 3 minutes left.Turn the 4 minute hourglass.After 7 minutes:The 4 minute hourglass: 1 minute left.The 7 minute hourglass: 0 minutes left.Turn the 7 minute hourglass.After 8 minutes:The 4 minute hourglass: 0 minutes left.The 7 minute hourglass: 1 minute left.Turn the 7 minute hourglass.After 9 minutes:The 4 minute hourglass: 0 minute left.The 7 minute hourglass: 0 minutes left.Now you know you are finished.

The answer to the question, as worded, depends on out of how many minutes Jacob had 5/12 remaining. If you assume it was out of 1 minute, then Jacob was faster.

The plural of minute is minutes.