Question

12. What single discount is equivalent to two successive discounts of 30% and 10%? .​

Answer 1

Answer:

if the original rate was 100

then 1st discount 30%

=100×30%=30

so the new rate 100-30=70

2nd discount 10%

=70×10%=7

so the new rate 70-7=63

single discount is 100-63=37%