Amanda has a collection of X,Y, Z’s. Every X is a Y. One

half the Z’s are Y’s. There are 3 times as many Y’s as

X’s. Amanda has 50 Z’s and 40 X’s. No Z is an X/ How

many Y’s does Amanda have that are neither X’s or Z’s?

Fill in the empty circles of the triangle with the

numbers 4, 5, 6, 8 and 9 so that the numbers on

each side add to 20.

7

2 1

3

Amy has dollar bills and Paul has quarters. Amy exchanges with Paul a dollar for a quarter. She continues to do this until Paul is out of quarters. Paul

now has 6 dollar bills and Amy has $6.50 in quarters and

dollars. How many dollar bills did Amy have in the

beginning?

Judy has 5 quarters and Marsha has 5 dimes. Judy owes Marsha exactly 35 cents. Judy should give Marsha ____quarters and

Judy should get from Marsha ____ dimes so that

Judy has paid her debt.

Two containers each contain the same amount of acid. If 7 grams of the first container are poured into the second container, then the second

container has twice as much as the first container. How

many grams does the second container now have?