Question

The cost of ten mangoes and nine apples is rs 48 the cost of twenty seven manoges and twenty five apples is rs 131. what is the cost of three manoges and two apples?

Answer 1

let cost of 1 mangoes is x and cost of 1 Apple is y
so 10x+9y=48.... (1)
and 27x+25y=131...... (2)
solving 1 and 2
we get x=3 y=2
so cost of 3mangoes and 2 apples is 3x+2y=9+4=13 rs