Question

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?

Answer 1

Last year, Craig had 10 records.

Now, he has 12 records.

What is the percent increase?

The percent increase is given by

`\%\: increase=\frac{\text{new value-old value}}{\text{old value}}*100`

In this case,

Old value = 10 records

New value = 12 records

`\begin{gathered} \%\: increase=\frac{\text{new value-old value}}{\text{old value}}*100 \\ \%\: increase=(12-10)/(10)*100 \\ \%\: increase=(2)/(10)*100 \\ \%\: increase=20 \end{gathered}`

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