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megankbrown
14.12.2020 •
Mathematics
A company that makes hair-care products had 9,000 people try new shampoo Of the 9,00 people, 27 had an mild allergic reaction what percent of the people had a mild allergic reaction
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Ответ:
in this case our 100% is 3000, and we want to know what percentage is equivalent to those 9 that had a mild allergic reaction.
here we can use the rule of 3, this is:
if 3000 is equivalent to 100%, then 9 is equivalent to:
(9/3000)*100% = 0.3%
Ответ:
The answer is $262.50 $7.50 per hour$7.50×3hours×5people=$112.5$7.50×4hours×5people=$150$150+$112.5=262.50
Step-by-step explanation:
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