Question

A radio dealer makes a radio with the price 20% above the cost price and allows 10% discount on it. Find his gain percent ​

Answer 1

10%

Explanation:

Answer 2

Good morning,

Answer:

8%

Explanation:

Let x be the cost price and

y the final sell price

p gain percent

the gain precent p = (20/100)-(10/100)-[(20×10)/(100×100)]

= (20-10)/100 - 2/100

= 10/100 - 2/100

= 8/100

example : x=20

x(1+20/100)(1-10/100) = 20(1+20/100)(1-10/100) = 20(120/100×90/100)

= 20(10 800÷10 000)

= 21.6

20+20p% =21.6 then 20p%=1.6 then p%=1.6/20=16/200=8/100 then p=8.

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