Question

Find the single discount equivalent to successive discount of 25% and 10%

Answer 1

After an initial discount of

10

%

you would pay

90

%

of the original price.

After a second

20

%

discount

you would pay

80

%

of the initially discounted price

or

80

%

of

90

%

of the original price.

80

100

×

90

100

×

original price

=

72

100

original price

or

72%# or the original price.

Paying

72

%

of the original price implies a discount of

18

%