The population before the increase was 894.
Answer:
42pi or 131.95 yards
Step-by-step explanation:
circumfrence of a circle is 2*pi*r
since you added a side wall 1 yard wide you increase the radius of the circle by one yard
so 2*pi*21= 42pi or 131.95 yards
Given:
Nick has x toy race cars. This is one-third of what Bob has.
So, the number of Nick toys = one-third of what Bob has.
Let the Bob has y toys
So, we can write the following expression:

Solve for y, multiply both sides by (3):

So, the answer will be:
Bob has (3x) toy race cars.
Answer:
4.312 is the answer
Step-by-step explanation:
multiplication