Question

15. Find a single discount (as percent) equivalent
to following successive discounts:
(1) 20% and 12% (2)
10%, 20% and 20%
(ili) 20%, 10% and 5%​

Answer 1

Answer:

20+10=30

30+12=42

42–30=12 is the answer

20+10/5=30/5

30/5

6 is the answer