Percentages

Question 1

A computer is bought at a 25% off sale for £150. What was the original price of the computer?

Answer 1

75%= 150
75/75= 150/75
1%=2
X100 x100
100% = £200

Question 2

A jar of coffee with 20% more is now 500g. Find the original weight of the coffee jar.

Answer 2

120% = 500g
120/120 = 500/120
1%=4.16
X100 x100
100% = 416g