### Home > MC1 > Chapter 10 > Lesson 10.1.3 > Problem 10-39

10-39.

For parts (a), (b), and (c), refer to the Math Notes box below.

Remember to show your work to avoid making unnecessary mistakes!

In part (b), C is equal to $2.08. Did you solve the proportion to parts (a) and (c)?

Hayden wrote a word problem for part (a) that read: If Rachel can type 60 words in 3 minutes, how many minutes will it take for her to type 360 words? Does this sound like an appropriate word problem? Try writing your own!