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Marvin is trying to finish 1/2 of his test every 2/3 hour. How many hours will it take Marvin to complete his whole test

Respuesta :

If Marvin wants to complete 1/2 of his test in 2/3 of an hour. To get 1/2 to 1 you multiply it by 2. (1/2x2=1) You would then multiply 2/3 of an hour by 2 to get 4/3 of an hour to complete the whole test(2/3x2=4/3). 4/3 of an hour is equivalent to 1 hour and 20 minutes or 1 and 1/3 of an hour.
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It will take Marvin 4/3 hours to complete his entire test.

Time taken to complete 1/2 of test = 2/3 hours

The total fraction of the test can be represented as 1

Therefore,

If 1/2 of test = 2/3 hours

1 of test = x

We can solve for x using cross multiplication :

1/2x = 2/3

Multiply both sides by 2 to isolate x

(1/2x × 2) = (2/3 × 2)

x = 4/3 hours

The number of hours it will take to complete the whole test is 4/3 hours

Learn more :https://brainly.com/question/18112348

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