Mark is a professional race car driver. He has competed in 15 races and won 40% of them. How many races has Mark won?
2 answers:
You might be interested in
This requires 2 pints of oil.
Using a proportion to solve this, we have:
Cross multiplying, we have
1/2*10 = (2 1/2)*x
5 = (2 1/2)x
Divide both sides by 2 1/2:
5÷(2 1/2) = (2 1/2)x÷(2 1/2)
2 = x
Using a proportion to solve this, we have:
Cross multiplying, we have
1/2*10 = (2 1/2)*x
5 = (2 1/2)x
Divide both sides by 2 1/2:
5÷(2 1/2) = (2 1/2)x÷(2 1/2)
2 = x
Answer:
The length of the rectangle is
Step-by-step explanation:
The perimeter of a rectangle is calculated by where
represents the length and
represents the width of the rectangle.
The perimeter of a rectangular pool is .