Unit 4 – Number Patterns and Fractions
Lesson 3 – Equivalent Fractions and LCM
12. Wooden Legs
Wendy builds wooden dollhouse furniture. She uses the same kind of legs to make 3-
legged stools and 4-legged tables.
She has a supply of 31 legs and wants to use them all to make stools and tables.
Find all the possible ways she can use all 31 legs.
Explain how you solved the problem and how you know you have found all solutions.
Extra: Wendy sells her furniture to the local toy store. She gets $2 for each stool
and $3 for each table. Of all the ways you found, which would earn her the most
money?
2