Question

When he was a kid, Billy bought a comic book for $2.25. Now it's a collector's item worth $20. Whatwas the increase in price? Round to the nearest hundredth percent.

Answer 1

The price of the comic book at first was $2.25.

Then it increased to $20. The percent in increment is calculated as follows;

$\begin{gathered} \text{Price increase}=20-2.25 \\ \text{Price increase}=17.75 \\ \text{Therefore, percentage increase would be;} \\ \text{Percentage increase}=\frac{17.75}{2.25}\times\frac{100}{1} \\ Percentage\text{ increase}=788.8888888\ldots \\ \text{Percentage increase}=788.89\text{ (to the nearest hundredth)} \end{gathered}$

ANSWER:

The increase in price as a percentage is;

788.89 %