Find the percent of decrease. Round your answer to the nearest tenth of a percent where necessary.
57 to 19
A. 38%
B. 66.7%
C. 200%
D. 20%
B. 66.7%
To find the percent of decrease, you need to calculate the difference between the two numbers (in this case, 57 and 19), divide it by the original number (57), and then multiply it by 100 to express it as a percentage.
Step 1: Calculate the difference: 57 - 19 = 38
Step 2: Divide the difference by the original number: 38 / 57 ≈ 0.6666
Step 3: Multiply the result by 100 to convert it to a percentage: 0.6666 * 100 ≈ 66.7
Therefore, the percent of decrease from 57 to 19 is approximately 66.7%. Therefore, the correct answer is B. 66.7%.
To find the percent of decrease, you can use the following formula:
Percent decrease = (original value - new value) / original value * 100%
In this case, the original value is 57 and the new value is 19. Plugging these values into the formula, we get:
Percent decrease = (57 - 19) / 57 * 100%
Simplifying this equation gives us:
Percent decrease = 38 / 57 * 100% ≈ 66.7%
Therefore, the correct answer is B. 66.7%.