Question

Zane took three typing tests and recorded the results as shown.

Test
Number of
Words
A
30
Time
(minutes)
13
13
22
B
78
С
99
What was Zane's unit rate, in words per minute, on each test?
On which test does Zane have the highest unit rate?
Tact

Answer 1

A

Explanation:

For test A, the unit rate is 30 words per minute divided by 4 minutes, or 7.5 words per minute.

Unit rate = 78 words/15 minutes = 5.2 words per minute for test B.

The unit rate for test C is 99 words/22 minutes, or 4.5 words per minute.