Chapter 7, Lesson 4
Aviva, Jill, Karen, and Gina have each written a number. Jill's number is 4 more than Aviva's. Karen's number is 1 more than Aviva's. Gina's number is 2 more than Jill's. The ratio of Aviva's number to Jill's is the same as the ratio of Karen's number to Gina's.
Write and solve a proportion that can be used to find each girl's number.