### Home > GC > Chapter 12 > Lesson 12.1.2 > Problem 12-21

12-21.

**Multiple** **Choice: **As Carol shopped for a spring picnic, she spent

Write two equations: one representing the number of items bought and the other the total price.

Solve using the substitution method.

See the online help for problem 5-104, which contains the Math Notes box in Lesson 2.1.3.