Question

By selling
a bed sheet for 640 shopkeeper earns a profit of 28% how much did it cost the shopkeeper​

Answer 1

Answer:

0.28 is the answer for ur question

Answer 2

Answer:

Let the CP of the bedsheet be x

SP = Rs 640

Profit = 28%

⇒ x + 28x/100 = 640

100x + 28x/100 = 640

128x/100 = 640

x = 640×100/128

x = 5×100

x = 500

CP of bedsheet = Rs 500

VERIFY:

500 + {28/100×500} = 640

500 + {28×5} = 640

500 + 140 = 640

640 = 640

LHS = RHS

Hence, verified

Hope it helps

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