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Lilly likes to collect records. Last year she had 10 records in her collection. Now she has 13 records. What is the percent increase in her collection?

Answer :

The percentage increase is 30%

Here, we want to calculate percentage increase

Mathematicall, this is;

[tex]\text{percentage increase = }\frac{new\text{ value -old value}}{\text{old value}}\text{ }\times\text{ 100}[/tex]

From the question, the old value is 10 and the new value is 13

Substituting these values, we have that;

[tex]\text{Percentage increase = }\frac{13-10}{10}\text{ }\times\text{ 100 = }\frac{3}{10}\text{ }\times\text{ 100 = 30\%}[/tex]

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