Denominations of Rs.2,Rs.5,Rs.10 is available.The sum of the rupees is 500 and the total money is Rs.3130.If the Rs.10 and Rs.5 notes were the interchanged then te total money will reduced by 300.Find the number of Rs.10 notes before swapping.

• 210
  X+y+z=500
  2X+5y+10z=3130
  2x+10y+5z=2830
• 9 years agoHelpfull: Yes(0) No(1)