amberlin amberlin

10-02-2015
Mathematics

Answered

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.?

Answer :

apologiabiology apologiabiology

12-02-2015

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

Answer Link

Other Questions

How do I solve 3a57

Why do bananas and sprite react chemically

What causes the uneven distribution of sunlight over the globe A the earths distance from the sun B the rate of the earths rotation C the earths axial tilt D th

Cells that produce antibodies that help destroy the pathogens are called what

what is helping countries in west Africa stabilize

How did the Arabs build a successful empire

What kind of students did cathedral schools attract

Which leader of the Scientific Revolution in England promoted the idea that science must rely on repeated observation and experimentation A Isaac Newton B Galil

An Iyonix PC is sold for 1200 at a reduction of 20 on its recommended retail price What was the computers original price

Factor by grouping ab 7a 6b 42