Stu bought chips, popcorn, and pretzels for a picnic. Altogether he bought 15 bags. He bought 3 bags of pretzels and three times
as many bags of chips as popcorn. How many bags of chips did he buy? Stu bought chips, popcorn, and pretzels for a picnic. Altogether he bought 15 bags. He bought 3 bags of pretzels and three times as many bags of chips as popcorn. How many bags of chips did he buy?
