20% increase in the amount of people
Answer:
1/14
Step-by-step explanation:
Answer:
a=-4
Step-by-step explanation:
4a-3.25a=2-5
0.75a=-3
a=-4
Answer: 907.92 ft²
Step-by-step explanation:
1. To solve this problem you must apply the formula for calculate the area of a circle, which is shown below:

Where r is the radius of the circle.
2. You know the radius of the circle B, therefore, when you susbtitute it into the formula, you obtain that the area of the circle B is:
