Question 159132
f+t=12 or f=12-t
5f+10t=95
5(12-t)+10t=95
60-5t+10t=95
5t=95-60
5t=35
t=35/5
t=7 ten rupee bills
f+7=12
f=12-7
f=5 five rupee bills
Proof:
5*5+7*10=95
25+70=95
95=95