A cosmetics company tested a new lotion. Of the 2,500 people tested, 15 had an allergic reaction. What percent of the people tested did not have an allergic reaction to the new lotion?

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Question:

A cosmetics company tested a new lotion. Of the 2,500 people tested, 15 had an allergic reaction. What percent of the people tested did not have an allergic reaction to the new lotion?

Answers

Answer:99.4%Step-by-step explanation: 2500 - 15 = 24852485/2500 = 0.994 x 100 = 99.4%

Answer:99.4%Step-by-step explanation:Total number of people tested = 2500People who had allergic reaction = 15People who didn't have allergic reaction = 2500 - 15 = 2485Percentage = Part of a whole / The whole=> 2485 / 2500=> 497 / 500=> .994To convert a decimal into percent:=> We need to make the decimal point move 2 times to the right=> .994 => 99.4%So, 99.4% of the people who were tested, didn't have an allergic reaction.

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