Question

A shopkeeper sold a phone at a loss of 7% had he sold it for rupees 28 more he would have gain
ed 21% find the cost price of the phone ​

Answer 1

Answer:

Step-by-step explanation:

Let the cost price of phone be x

A.T.Q

x - 7% of  x + 28 = x + 21% of x

93/100 x + 28 = 121/100 x

28 = 121/100 x - 93/100 x

28 = 28/100 x

28 * 100/28 = x

100 = x

Cost Price of Phone = 100