Level 2
Clara and Dan saved a fixed amount of money every day. Dan saved $1.50 more than Clara each day. After several days, Dan saved $40 and Clara saved $25. Find the amount that Dan saved every day.
2 m
Level 2
1 marble and 1 sticker costs $30.
1 marble and 3 stickers cost $70.
How much is each sticker?
4 m
Level 2
1 marble and 4 stickers cost $60
1 marble and 2 stickers cost $40
How much are 3 stickers?
2 m
Level 3
1 marble and 1 bead cost $12.
1 sticker and 1 marble cost $7.
1 sticker and 1 bead cost $15.
  1. How much is 1 sticker?
  2. How much is 1 bead?
  3. How much is 1 marble?
4 m
Level 3
X, Y and Z each represents a number. Find the sum of X, Y, and Z.
3 m