Find the total value of all coins in the piggy bank, then exchange for $2 notes.<br><br>&bull; $1 coins: 8 &times; $1.00 = $8.00<br>&bull; 50&cent; coins: 5 &times; $0.50 = $2.50<br>&bull; 20&cent; coins: 14 &times; $0.20 = $2.80<br>&bull; 10&cent; coins: 9 &times; $0.10 = $0.90<br>&bull; Total value = $8.00 + $2.50 + $2.80 + $0.90 = $14.20<br>&bull; $14.20 &divide; $2 = 7 remainder $0.20<br>&bull; Maximum number of whole $2 notes = 7<br><br>Final Answer: 7