Question

47. Two successive discounts of 20% and 10%
is equal to a single discount of
A. 32%
B. 30%
C. 28%
D. 10%​

Answer 1

Answer:

option c is correct, 28%

Step-by-step explanation:

=100×(100-20)/100×(100-10)/100

=100×80/100×90/100

=9×8

=72

now,

=100-72

=28%