The answer is false not true
To find the width, divide the area by the length.
Width = 9/10 / 2/5
When dividing fractions flip the second one over and multiply:
Width = 9/10 x 5/2 = (9 x5) / (10 x 2) = 45/20 = 2 and 1/4 miles.
Sean is correct, because he adds 0 to -100, which equals to -100
<em />I dont think Candice is correct however, since you cannot repeat the numbers
(and adding negative numbers is incorrect im assuming)
hope this helps
If you're using pie it would be
2*

*5 because the radius is half of the diameter.
But since you're using three it's
2*3*5
If it helps remember: Twinkle twinkle little star, circumference equals 2 pi r