Answer:
Well you can’t really stack these percentages discounts.
Assuming it’s in the same order as the problem then
We can find the decimal equivalent by just dividing.
So think of it like this way.
Your getting 40 percent off, the original price.
The original price of course is a 100 percent since its the one and only price.
When your taking 0.4 percent off then its taking off 0.4 from the 1.00
So you have 0.6.
Your now paying 60 percent of the price.
Now the 30 percent.
Same thing except this times its 0.6.
Now 30 percent of 60 is 18 percent and then subtract that by 0.6 which is 0.42
Now for the final 15 percent
Same thing except this time its 0.15
15 percent of 0.42 is 6.3 percent, subtract that by 0.42 is 0.357
After the discounts were applied you’d only have to pay 0.357 or 35.7%
In order to find the total amount of discounts just subtract the amount we have to pay by the original which was 100 %. 100 - 35.7 = 64.3
Final net percentage is equivalent 64.3%