You are looking for the perimeter of the pool. The perimeter of rectangles can be measured by using the formula 2W + 2L = P (2 * width + 2 * length = perimeter). Using the formula, 2(40) + 2(20) = P, 80 + 40 = P, P = 120. The answer is C. 120 yards.
Answer:
1/2
Step-by-step explanation:
Answer: 426.5
Step-by-step explanation:
You know that she spent 34.12 on gas and you also know that that amount of money was the 8% of her paycheck.
Therefore, keeping the above on mind, you can write the following expression, where 
is the total amount of money of her paycheck:
When you solve for , you obtain the result shown below:
Answer:
10a = 30
Step-by-step explanation:
By using elimination:
4a + 2z = 10
-2(3a + z) = -2(-10)
4a + 2z = 10
6a - 2z = 20
2z and -2z cancel out
10a = 30
a = 3
They are asking for 10a, so 10 (3) = 30.
