Level 2
In the figure, AB is perpendicular to BC. ∠ABD is twice as large as ∠CBD. Find ∠ABD.
2 m
Level 2
Adam pays $2.40 for a sticker and a marble.
The sticker costs 3 times as much as the marble.
  1. What is the cost of 1 sticker?
  2. How much is the cost of 4 marbles and 2 stickers?
4 m
Level 1
Adam saves $2.50.
Bryan saves 3 times as much money as Adam.
Chris saves $1.90 less than Bryan.
How much money does Chris save?
3 m
Level 2
Adam buys a sticker, a marble and a bead for $7.50.
The sticker costs $3.50 more than the marble.
The bead costs 3 times as much as the marble.
How much is 4 marbles and 3 stickers?
4 m
Level 2
ABCD and CEFG are squares and MFPN is a rectangle. Given that AB = 3 cm, and the length of NP is four times the length of AB, find the length of MG.
2 m