simplylailah simplylailah

26-01-2017
Mathematics

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A sixth grade teacher can solve 25 multi-step multiplication problems in 20 minutes. Is this working at a faster or slower rate than solving 36 problems in 30 minutes?

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serenasays serenasays

26-01-2017

25 /20
36 / 30
add 25=20 by 10 so they both have the same denominator
35/30
36/30
the teacher is working at a slower rate since 35 is smaller than 36

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