The group of tiles represent answer A. There are 6 x² tiles, 3 x tiles, and 1 tile.
Answer: 
Step-by-step explanation:
1. You have the following formula for calculate the area of the original circular chip:

Where D is the diameter of the circle.
2. Then, if the diameter of the original circular chip is doubled (2D) to use in a new board game, the area of the new chip can be calculated with the following formula:

Each mile took 7.5 minutes. So we did this by dividing 30 by 4. Hope this helped you :)
Answer:
A = 4/7
B = 2/3
C = 2/5
Step-by-step explanation:
It's Easy.
So here's $70 ,$40 add the numbers and you will get 1,100