## What percentage of a number equals some other number?

- Examples of problems that can be solved using the information presented on this section:
- The ammount of 100,000 dollars out of the annual profit of a company was invested in buying equipments. The annual profit of the company was 400,000 dollars. What is the percentage of the annual profit that was invested in buying equipments? Solution: x% of 400,000 dollars means 100,000 dollars => x% × 400,000 dollars = 100,000 dollars => x% = 100,000 ÷ 400,000 = 1 ÷ 4 = 0.25 = 25%;
- 7 students in the terminal year have enrolled into the swimming class. There are 35 students in the terminal year. What percentage of students have enrolled into the swimming class? Solution: x% of the 35 students means 7 students => x% × 35 students = 7 students => x% = 7 ÷ 35 = 1 ÷ 5 = 0.2 = 20%;
- In the last elections, 17,920 of the community members voted for the B Party. Community has a total of 56,000 people. What percentage of the community members voted for the B Party? Solution: x% of the total number of 56,000 of community members means 17,920 people => x% × 56,000 people = 17,920 people => x% = 17,920 ÷ 56,000 = 0.32 = 32%.