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

12-21.

Multiple Choice: As Carol shopped for a spring picnic, she spent for each liter of soda and for each bag of chips. In all, she bought items for a total of . Assuming she only bought chips and soda, how many bags of chips did she buy?  

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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.