Question

selling price of 25 painting is equal to the cost price of 35 Painting .find profit %​

Answer 1

Step-by-step explanation:

Selling price = 25

costprice =35

hence cp> sp, there is a loss .

Loss= 35-25= 10

loss % = 10/35 X 100=

Answer 2

question:selling price of 25 painting is equal to the cost price of 35 Painting .find profit %

Answer:

let selling price of 1 painting is

= x

then,selling price of 25 painting is=25x

let cost price of 1 painting is

= y

then,cost price of 25 painting is=35y

$if \: 25x = 35y \\ then \: \frac{25}{35} \times x = y \\ = > \frac{25}{35} = \frac{y}{x } \\ = > \frac{5}{7} = \frac{y}{x } \\ = > y = 5 \: and \: x = 7$

now,

selling price of 1 painting is

= 7

and

cost price of 1 painting is

= 5

real question:selling price of 1 painting is equal to ₹7 and cost price of 1 Painting is =₹5 .find profit %

real answer:

we know that profit %

$= \frac{profit}{cp} \times 100$

we also know that profit

$= (sp) - (cp)$

therefore,profit

$= rs.7 - rs.5 \\ = rs.2$

and profit %

$\frac{2}{5} \times 100 \\ = 40 \: \%$

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