tanareelijah2 tanareelijah2

26-04-2021
Mathematics

contestada

after spending 7/9 of a three hours examination, a student left the exams hall. How many minutes has he to complete the duration of the examination.

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jennagrosser11ouedxv jennagrosser11ouedxv

26-04-2021

40 mins left! total time= 60 mins x 3 hours =180 mins. 180 divided by 9 is 20. 20 times 7 is 140. 180-140 equals 40. yay!

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