Edexcel IGCSE Math A 1.6 percentages
Use percentage questions to calculate parts, increases, decreases, original values and compound changes in money or measurement contexts.
- Syllabus
- First assessment 2018
- Course
- Math A 4MA1
- Level
- Higher
Use percentage questions to calculate parts, increases, decreases, original values and compound changes in money or measurement contexts.
Gladys buys a table for $ 465 to sell in her shop.
She sells the table for $ 520
Work out the percentage profit that Gladys makes from the sale of the table. Give your answer correct to 3 significant figures.
Gladys has a sale in her shop.
She decreases all the normal prices by 12%
The normal price of an armchair was $ 550
520-465=5546555×100=11.827956…
Final answer:
11.8%
A1 for 11.8 or better.
Work out the sale price of the armchair.
$
0.12×550=66550-66=484
Final answer:
484
Alternative method:
0.88×550=484
Carlos, Flavia and Tazia shared £ 861 between themselves.
The amount of money Flavia got is 65% of the amount of money Carlos got.
The amount of money Tazia got is 22% more than the amount of money Carlos got.
Work out how much money Carlos got.
Let Carlos receive C.
Final answer:
M1 for 1+0.65+1.22=2.87, or 100+65+122=287.
M1 for 861÷2.87, or (861÷287)×100 oe.
A1.
Note: 861÷3=287 is M0.