Level 3
Anna and Tina went shopping with $450 and $315 respectively. Tina spent 2 times as much as Anna. After shopping, the amount of money Anna had left was 2 times the remaining money of Tina. How much did they spend in total?
Level 3
Fred and Tim went shopping with a total amount of $225. They had $175 left after shopping. Fred's remaining money was 3 times the amount he paid for. Tim's remaining money was 4 times the amount he had spent.
Level 3
Henry and Sean have the same amount of money. If Henry spends $43 a day and Sean spends $14 a day, Sean will have $319 when Henry uses up all his money. If Henry spends $13 a day and Sean spends $43 a day, how much will Henry have left when Sean uses up all his money?
Level 3
George and Vincent were given some allowances. If George spent $28 each day and Vincent spent $56 each day, George would still have $837 left when Vincent spent all his allowance. If George spent $56 each day and Vincent spent $28 each day, George would still have $162 left when Vincent spent all his allowance.
Level 3 Rael bought some notebooks at $3 each. He later sold them to his customers at $8 each. For customers who bought two notebooks were given another notebook for free. The customers bought either one or two notebooks. Rael gave away 110 free notebooks and collected a total of $1320 more than what he had paid for. How many customers bought just one notebook?
