A radio dealer makes a radio with the price 20% above the cost price and allows 10% discount on it. Find his gain percent
2 answers:
Good morning,
Answer:
<h2>8%</h2>Step-by-step 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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So you would just have to divide 20/7 to get the percentage of it.
The answer would be 2.85%.
The answer would be 2.85%.