Question

Leena has 117 rupees in the form of 5 rupees coin and 2 rupee coin the number of 2rupew coins is 4 times that of 5 ruppe coin find the number of coin of each denomination

Answer 1

let no. of 5rupee coins =x
no of 2 rupee coins =4x

given ,
5x+2(4x)=117

5x+8x=117

13x=117

x=9