Ben can type 25 words in half a minute. At this rate, how many words can he type in 5 minutes? A student found the unit rate and solved the problem. The student’s work is shown below. Has the student answered the question completely?

StartFraction 25 words over One-half minute EndFraction = StartFraction 50 words over 1 minute EndFraction
No, the student should have divided the unit rate by 5.
No, the student should have multiplied the unit rate by 10.
No, the student should have multiplied the unit rate by 5.
Yes, the student found how many words he can type in 5 minutes.