SFR Lesson Notes Percentage Change Grade B
Original
Multiplier
% Change
65
I. 40%
850
D. 32%
123
New
0.15
90
79
345
500
78
42
Original
Multiplier
% Change
New
I. 35%
40
A birthday cake costs ÂŁ35, but because of the rise in the price of sugar, there is an increase of 18%. How is the new price calculated?
Candles decrease in price by 24%. How is the new price calculated if they originally cost ÂŁ2?
2800/2576
5200/0.8