The cost of 6 apples is Rs 90. What is the cost of 1 apple?
Let cost of one apple be x Rs
∴6×x=90......Given
∴6x=90
∴x=90/6
∴x=15Rs
2 apples & 3 bananas cost Rs.15 and 2 apples & 2 bananas cost Rs 12. What is the cost of an apple & a banana?