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Sami read 12 books in 7th grade. In 8th grade she read 18 books. What is the percent of increase on the number of books that Sami read

Respuesta :

simplelifeoutdoors81

Answer:

50% Increase

Step-by-step explanation:

first you can find half the number of the first amount

then in the case it is 6 so 12+6=18.

ist72709

Answer:

20

Step-by-step explanation:

The percent of increase is 20%.

In order to solve this problem you have to solve this equation:

18-15/15

3/15

0.2 = 20%

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