### Home > MC1 > Chapter 9 > Lesson 9.3.4 > Problem9-162

9-162.

Her rate will be expressed in words per minute, so you need to divide the number of words typed by the number of minutes.

$\frac{1104\text{ words}}{18\text{ minutes}}\approx 61.3\text{ words per minute}$

Again, divide the number of dollars earned by the amount of time.

\$12.25 per hour

This problem is very similar to parts (a) and (b).