Question

Ravi bought two mobile phones for Rs 10,000. He sold one at a profit of 10% and the other at a loss of 10% . Ravi got the same amount for each mobile. Find the cost of each mobile .

please tell a full solution not half and not short please fast. ​

Answer 1

Step-by-step explanation:

x+y=10000

110%x=90%y

110/100x=90/100y

x/y=9/11

x=4500

y=5500