The correct answer for the exercirse shown in the figure attached is the first option, which is: Calculate the area of the circle A and circle B and calculate the difference.
To calculate the area of the circle A and the circle B, you must apply the formula for calculate the area of a circle, which is shown below:
A=πr²
A is the area of the circle.
r is the radius of the circle.
To calculate the difference, you only have to substract the result of the area of the circle A and the area od the circle B:
At=Aa-Ab
Percent means parts out of 100
x%=x/100
0.50=0.50/1=50/100=50%
Answer:
A
Step-by-step explanation:
11/15
Total yards if fabric /fabric needed to make an elf costume
therefore 16 1/5 ÷ 5 2/5
=3
so Barney can make 3 costumes out of 16 1/5 yards of fabric
