Question

a article says buy 5 T-shirts get four free and additional 20% discount find the final discount​

Answer 1

Answer:

if I solve answer is 100-20 = 80% I am right

Answer 2

Given:

buy 5 T-shirts get four free

Additional 20% discount

To find:

The final discount

Solution:

It is given in the question that the customer buys 5 t-shirts

where he get 4 t-shirts as free

so,

here the discount is given by:

• (4/5)100
• 80%

and we have an additional discount at 20%

and

The effective discount is given by:

-x%-y%+xy/100

so here we get:

• -80-20+80×20/100
• -100+16
• -84%

So here the effective discount is 80%