Percentages

% _

To perform a calculation involving a percentage, press % _ after entering the value of the percentage.

Example

2 % _ V 150 <

Problem

A mining company extracts 5000 tons of ore with a concentration of metal of 3% and 7300 tons with a concentration of 2.3%. On the basis of these two extraction figures, what is the total quantity of metal obtained?

If one ton of metal is worth 280 units of currency, what is the total value of the metal extracted?

3 % _ V 5000 <

T 2.3 % _ V 7300 <

V 280 <

The two extractions represent a total of 317.9 tons of metal for a total value of 89012 units of currency.