Farah has been saving part of her allowance in a bag every month. The bag containing $2 and $10 notes had a total value of $1068. 6 pieces of $10 notes were exchanged for $2 notes of the same value. In the end, the number of $10 notes was the same as the $2 notes. How many $2 notes were there at first?
+12530 Farah has been saving part of her allowance in a bag every month. The bag containing $2 and $10 notes had a total value of $1068. 6 pieces of $10 notes were exchanged for $2 notes of the same value. In the end, the number of $10 notes was the same as the $2 notes. How many $2 notes were there at first?
