jonesjalen72 jonesjalen72

18-11-2020
Mathematics

contestada

A math teacher graded 45 problems in
3
5
of an hour. At that rate, how many problems can she grade in 1 hour?

Respuesta :

18-11-2020

75 problems
3/5 of an hours is 36 minutes you can then do 45 over 36 mins and set it equal to x over 60 mins then you do 45 times 60 which equals 2700 then you divide 2700 by 36 and you get 75

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