Out of 80 patients, 25 showed no improvement. What percent improved?

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Multiple Choice

Out of 80 patients, 25 showed no improvement. What percent improved?

Explanation:
Percent improved is found by comparing how many got better to the total. Since 25 did not improve out of 80, the number who did improve is 80 − 25 = 55. The fraction improved is 55/80, which simplifies to 11/16. As a decimal, 11 ÷ 16 = 0.6875, and converting to a percent gives 68.75%. So 68.75% of patients improved.

Percent improved is found by comparing how many got better to the total. Since 25 did not improve out of 80, the number who did improve is 80 − 25 = 55. The fraction improved is 55/80, which simplifies to 11/16. As a decimal, 11 ÷ 16 = 0.6875, and converting to a percent gives 68.75%. So 68.75% of patients improved.

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