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A shopkeeper marks the price of an calculator at 25% above cost price. He then allows a discount of 15% of the marked price and he still makes profit Rs.900. Find out the marked price of an calculator .​

Sagot :

Tasyha

Answer:

Rs. 18000

Step-by-step explanation:

[tex]x(1 + 25\%) \: (1 - 15\%) - x = 900[/tex]

[tex]1.0625x - x = 900[/tex]

[tex]0.0625x = 900[/tex]

[tex]x = 14400[/tex]

•••••

[tex]14400 \times (1 + 25\%)[/tex]

[tex] \: \: \: \: \: \: \: \: = 14400 \times 1.25[/tex]

[tex] \: \: \: \: \: \: \: \: =Rs. 18000[/tex]

The marked price of a calculator is [tex]\boxed{\green{Rs. 18000}}[/tex]

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