Asked by Anonymous
Ms.Grivers graded 10 of her students' assignments in 25 minutes. How long will it take her to grade the rest of her 110 students' assignments?
Answers
Answered by
mathhelper
Use a simple ratio:
t/110 = 25/10
t = 110(25/10) = 275 minutes
or
10 students took 25 minutes
1 student took 25/10 minutes,
so 110 students took 110(25/10) minutes = 275 minutes
t/110 = 25/10
t = 110(25/10) = 275 minutes
or
10 students took 25 minutes
1 student took 25/10 minutes,
so 110 students took 110(25/10) minutes = 275 minutes
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