Solving problems with percentages

Solution of Question 5, continued

Method 4

1% of 1 522 475 = 15 224.75
0.5% of 1 522 475 = \(\dfrac{1}{2}\) of 15 224.75 = 7612.375
0.1% of 1 522 475 = \(\dfrac{1}{10}\) of 15 224.75 = 1522.475
0.6% of 1 522 475 = 7612.375 + 1522.475 = 9134.85

Other percentage change problems

In the following do not use spaces or commas in your answers.

Question 6

In January 2012 the population of a town was 13 500. If the population of the town increases by 10% per annum, what will be the population of the town in January 2013?

Question 6 - what will be the population of the town in January 2013? people

Question 7

David invests $24 000 at 8% per annum. How much is the investment worth after a year?

Question 7 - How much is the investment worth after a year?$

Question 8

The profit of a company in one year is $540 000. The profit in the following year is 15% greater. How much is the profit in the following year?

Question 8 - How much is the profit in the following year?$

Percentage increase