GCSE Maths Percentages

Lakukan tugas rumah & ujian kamu dengan baik sekarang menggunakan Quizwiz!

How to find out percentage increase: Increase £80 by 6%

100 + 6 = 106, 106 / 100 = 1.06, 1.06 x 80 = £84.80

Original price: Find the original price of a dress reduced by 15% to £32.30

100 - 15 = 85%, 85/100 = 0.85, 32.20 / 0.85 = £38

How to find out percentage decrease: Decrease £80 by 6%

100 - 6 = 94, 94 / 100 = 0.94, 0.94 x 80 = £75.20

Compound interest: Invest £300 against 3% interest for four years

300 (1+3/100)4 = 300 x 16034

Profit percentage: Bought dress for £35 and sold for £55, what is percentage profit?

55 - 35 = £20, 20/35 = 20/35 x 100 = 57%


Set pelajaran terkait

Chapter 9 Organizing The Body of the Speech

View Set

Chapter 08: Recovering Graphics Files

View Set

BLOOD FLOW REGULATION: LOCAL AND NEUROHUMORAL MECHANISMS

View Set

Chapter 10 Monopolistic Competition, Oligopoly, and Game Theory

View Set

Computer Science Essentials EOC Review

View Set

English IV - Romanticism Period (1798-1832)

View Set