Maths - Percentages | Flashcards

Question	Answer
Maths Revision Cards	Level 1
I borrow £3000 for 4 months at an interest rate of 2% per month, How much interest do I pay?	3000 shared by 100 = 30 20 × 2 = £600
The population of a town increases from 22,500 by 5% What is the new population?	5% = 0.05 Multiplier for an increase of 5% = 1.05 22,500 × 1.05 = 24,075
A car decreases (depreciates) in value from £18,000 by 15% What is it now worth?	15% = 0.15 Multiplier for a decrease of 15% = 0.85 18,000 × 0.85 = £15,300
A house was worth £135,000 last year but is now worth £150,000 Calculate the percentage increase	Work out the actual increase 15,000 - 135,000 = 15,000 work out this increase as a percentage of the original value 15,000 -------- = 0.11111 . . . . . 135,000 = 11%
A coat price has decreased by 20% - the price is £250. What is the new price	250 divide by 100 times 20 = 50 250 - 50 = 200 new price is £200
The population of a village has decreased by 5%, the population is 7665. What was the population after the decrease?	Answer 1,533
The population of a village increased from 3540 by 10% then decreased by 4%. what is the resulting population?	3540 × 1.1 × 0.96 = 3738.24 New Population = 3738

Maths - Percentages

	Created by Martha Davies over 8 years ago

	Copied by emily pearce over 4 years ago