|Level:||Primary 6 SA2|
|Subject:||Mathematics Paper 2|
|Degree of Difficulty:||AA|
|Type of paper:||Word Problem Q12 Solution|
12. Christopher and Kenny went to a department store with $288.8 and $138.80 respectively. They each paid the same amount of money for a backpack and a wallet. For this reason, Christopher had 4 times as much money left as Kenny. Find the cost of the backpack, if it is known that the backpack cost 3 times as much as the wallet.