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At 10 a.m., there were 12 people in a swimming pool. At 11 a.m., there were 27 people in the pool.

What was the percent of increase in the number of people in the swimming pool from 10 a.m. to 11 a.m.?

Sagot :

apologiabiology
so assumng 12=100 percent
12=100
27=x%
subtract
27-12=15
find what percent of 12=15
15> 12 so 15 is >100% of 12
remember that there is a 100% there
15-12=3
find what percent 3 is of 12
3/12=1/4=25%
so 25+100=125

27 is 125% more than 12
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