Question

The horsepower in a race car increased from 330 HP to 440 HP. What is the new horsepower (HP), expressed as a percent of the original?

And step by step please

Answer 1

Answer: 133 1/3 %

Step-by-step explanation:

330 HP - 100%

440 HP - x%

Let's make a proportion and  find what is the new horsepower (HP), expressed as a percent of the original:

$\dfrac{330}{100} =\dfrac{440}{x} \\\\330x=440 \cdot 100\\\\330x=44000\\\\x=\dfrac{44000}{330} =133\dfrac{1}{3}\: \%$