Find the percent change from 72 to 80.
(tips: Find the difference between 80 and 71. Set up a fraction, numerator is the difference and denominator is the original number of 71. Then multiply by 100 to get the percent. Show your work

11.1% change

Step-by-step explanation:

first find their differences

80-72 =8

secondly

set up a fraction to find the percentage change

because percentage deals with fractions

8/72 *100 ( because percentage is over 100)

lastly

you simply

0.111111*100

=11.11%. ans

answer: for each 3 girls there is 2 boys . 3: 2

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