Question

after deducting the 20% discount roselle paid P292.00 a book she bought what was the original price of the book

show your solution






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Answer 1

➤ Given :-

Selling price of the book :- ₹ 292

Discount percentage :- 20%

➤ To Find :-

Original price of the book

➤ Formula required :-

${\large \tt \dashrightarrow \orange{\boxed{\tt \gray{\dfrac{100}{(100 - Loss \bf\%)} \times Selling \: price}}}}$

➤ Solution :-

Original price :-

${\tt \longrightarrow \dfrac{100}{(100 - 20)} \times 292}$

${\tt \longrightarrow \cancel \dfrac{100}{80} \times 292 = \dfrac{5}{4} \times 292}$

${\tt \longrightarrow \dfrac{5 \times 292}{4} = \dfrac{1460}{4}}$

${\tt \longrightarrow \cancel \dfrac{1460}{4} = \boxed{\tt Rs \: \: 365}}$

$\Huge\therefore$ The original price of the book is ₹365.

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$\dashrightarrow$ Some related formulas :-

Profit :- ${\boxed{\tt SP-CP}}$

Loss :- ${\boxed{\tt CP-SP}}$

Profit percentage :- ${\boxed{\tt\dfrac{Profit}{CP} \times 100}}$

Loss percentage :- ${\boxed{\tt\dfrac{Loss}{CP} \times 100}}$