Mr. Brown can grade 4 exams in 15 minutes. How many exams can he grade in 1 hour? How do you know?
2 answers:
16 because you divide i hour by 15 and multiply that by 4:)
4:15
1:.15
X:1H
16:1H
This is because 15x4=1hour and 4x4=16
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$36.80
Step-by-step explanation:
15% of 32 = 0.15x32 = $4.80
32+4.80 because it was a tip being added to the bill
=36.80
Multiplication because you undo it
0.04259 < 4.16%
This is what I think
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Step-by-step explanation:
