A BAG CONTAINS COIN OF RS.5&RS.2. THE TOTAL VALUE OF THESE COIN IS 1272.IF THE NO. OF 2 RS. COIN IS 15% OF THE 5 RS. COIN, FIND THE NO. OF COIN EACH.

number of 5RS coins --- x

number of 2RS coins = .15x

5x + 2(.15x) = 1272
5.3x = 1272
x = 240

so 240 of the 5 RS coins, and
36 of the 2 RS coins