## In 6th grade Lilly read 15 books. This year in 7th grade she rad 18 books. What is the percent of increase in the number books that Lilly re

Question

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## Answers ( No )

Answer: 20%Step-by-step explanation:To solve this problem you must apply the proccedure shown below:

1. You must apply the following formula (Let’s call the percent of increase:):

2. Substitute values and solve:

%