Malorie can work 10 math problems in 3 minutes.

at this rate, how many problems can she work in one hour?

a.
30

b.
60

c.
120

d.
200

i think 30

So
10problems=3 minute

1 hour=60 minutes
3 times what=60
divide by 3
what=20

10 problems=3 minutes
mutiply by 20
20 times 10 problems=20 times 3 minutes
200problems=60 minutes
200 problems=1 hour

answer is 200 problems

answer is D. 200

Option ait states the correct answer