Question

by selling a t-shirt for rupees 630 a shopkeeper gains 5% find the cost price of the t-shirt​

Answer 1

Answer:

Let the cost price of the coat is rs x.

Given:

Selling price or (S.P)=rs 630

Gain =5%

Hence we are using the formula to find the cost price that has been shown below:

S.P=C.P(1+gain%/100)

Substituting the value ask in the question:

\begin{gathered}630=C.P(1+\dfrac{5}{100})\\630=x(\dfrac{105}{100})\\x=\dfrac{630\times 100}{105}\\x=600\end{gathered}

630=C.P(1+

100

5

)

630=x(

100

105

)

x=

105

630×100

x=600

Hence, the cost price of the coat is rs 600.

Answer 2

Step-by-step explanation:

(1+5/100)×c=630

(21/20)×c=630

c= 630×20/21=600

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