Math, asked by midingparon4, 9 months ago

A shopkeeper at Ganga sells an
item at a certain price. If he sells that
item at 33.33% of the original selling
price, then he suffers a loss of 33.33 %.
Find the profit percent, if he sells that
item at 60% of the original selling
price?​

Answers

Answered by sanjeevk28012
2

Given :

The item sold at 33.33% of the original selling  price, then he suffers a loss of 33.33 %.

To Find :

The profit percent, if  item sold at 60% of the original selling  price

Solution :

Let The original selling price = Rs s.p

Let The cost price of item = Rs c .p

∵ The item sold at 33.33% of the original selling  price

i.e  s.p_2 = 33.33 % of s.p

Or, s.p_2 = 0.3333 × s.p

Loss % = \dfrac{cost price - selling price}{cost price}

Or,  33.33 % = 1 - \dfrac{s.p_2}{c.p}

Or, \dfrac{s.p_2}{c.p} = 1 - 33.33 %

Or, \dfrac{0.3333 s.p}{c.p} = 1 - 0.3333

Or,   \dfrac{s.p}{c.p}   = \dfrac{0.6667}{0.3333}                .............1

Again

When he sells that  item at 60% of the original selling  price

So,   s.p_3 = 60 % of s.p

Or, s.p_3 = 0.6 × s.p

profit % = \dfrac{selling price - cost price}{cost price}

Or,            =  \dfrac{s.p_3}{c.p} - 1

Or,            =  \dfrac{0.6 s.p}{c.p} - 1

Or,            = 0.6 × \dfrac{s.p}{c.p} - 1

Or,           =  0.6 ×  \dfrac{0.6667}{0.3333}  - 1                           ( from eq 1 )

∴              = 0.20

i.e Profit % = 20

Hence, The profit percentage when item sold at 60% of the original selling  price is 20 %   . Answer

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