Craig like to collect vinyl records. Last year he ahead 10 records in his collection. Now he has 12 records. What is the percent increase?

Respuesta :

Last year, Craig had 10 records.

Now, he has 12 records.

What is the percent increase?

The percent increase is given by

[tex]\%\: increase=\frac{\text{new value-old value}}{\text{old value}}\times100[/tex]

In this case,

Old value = 10 records

New value = 12 records

[tex]\begin{gathered} \%\: increase=\frac{\text{new value-old value}}{\text{old value}}\times100 \\ \%\: increase=\frac{12-10}{10}\times100 \\ \%\: increase=\frac{2}{10}\times100 \\ \%\: increase=20 \end{gathered}[/tex]

Therefore, there is a 20% increase in his record collection.