Answer:
A
Step-by-step explanation:
The farther you move through x, the more y decreases
Radius of 1 button = r = 3x
Fabric required to cover 1 button = Area of the circle
= 
= 
= 
Total number of buttons = x
Fabric required to cover 1 button =
Fabric required to cover x buttons = 
Hence, fabric required to cover x buttons sq. units
The amount in the account after 10 years would be $3257.79
Answer:
Basically this is because division can be thought of as how many times does the divisor have to be multiplied in order to produce the dividend.
So you would need to multiply 1 8 times in order to produce the dividend,
Similarly, 10 goes into 80 8 times. The zeros are simply cancelled out in the division.
The answer you are looking for is 124.
You can find this answer by simply multiplying 62 by 2.
I hope this helps!
