Question

A mobile phone was sold for 4800. Find the cost price of the mobile phone if the profit is 20%

Answer 1

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Answer 2

SOLUTION

GIVEN

A mobile phone was sold for 4800.

The profit is 20%

TO DETERMINE

The cost price of the mobile phone

EVALUATION

Let the cost price of the mobile phone = 100x

Since the profit is 20%

So profit amount = 20x

Therefore selling price

= 100x + 20x

= 120x

So by the given condition

120x = 4800

$\displaystyle \sf{ \implies x = \frac{4800}{120} }$

$\displaystyle \sf{ \implies x = 40}$

Hence the required cost price of the mobile phone

= 100x

= 100 × 40

= 4000

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