Question

find a single discount equivalent to two successive discount of 10% and 30%​

Answer 1

Answer:

Step-by-step explanation:

after the first discount of 10 % on y we are left with 0.9 y.

after the second discount of 30 % on 0.9 y we are left with 0.7(0.9 y) =

0.63 y.

Total discount is 1 - 0.63 = 0.37 = 37%.