Jeff is lining up child and adult  bicycles at the bike shop where he works. the number of adult  bicycles is nine less than three times the number of child  bicycles. there are  42  adult bicycles. how many children’s bicycles are there?

What is not true about kl and mn? what is mn? (show your work)

What are the values of each variable in the diagram below?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups