3 years ago

Mr. Brown can grade 4 exams in 15 minutes. How many exams can he grade in 1 hour? How do you know?

2 answers:

4 0

16 because you divide i hour by 15 and multiply that by 4:)

4 0

4:15
1:.15
X:1H
16:1H

This is because 15x4=1hour and 4x4=16

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Elena L [17]

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Step-by-step explanation:

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siniylev [52]

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so option C is correct

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2 years ago