the cost of banana is Re.1 more than that of an orange. Mr asad purchased 12 bananas and 20 oranges . if he paid Rs.108 to the fruit saller, find the price of a banana and orange.

Answer 1

B = O + 1

12B + 20O = 108

Substitute O+1 for B in the second equation and solve for O. Insert that value into the first equation to solve for B. Check by putting both values into the second equation.

Answer 2

Find the cost of 5 banana if the rate of banana is rupee 15 a dozen