Level 3
Amelia had twice as many hair clips as Betty. After Betty had bought another 90 hair clips, Betty had 3 times as many hair clips as Amelia. How many hair clips did Amelia have?
Level 3
Jonas had 3 times as many cards as Dave. After Dave bought another 120 cards, Jonas had twice as many cards as Dave. How many cards did the two boys have altogether in the end?
Level 3
Jane had twice as many stickers as Bernard. After Bernard bought 80 stickers, he had thrice as many stickers as Jane. How many stickers did Jane have?
Level 3
Ken had 6 times as much money as Andrew. After Ken had spent half of his money, he had $34 more than Andrew. How much money did Ken have at first?
Level 3
Vincent has 5 more 50-cent coins than 10-cent coins. After he used 6 of his 50-cent coins, the total value of 50-cent coins is $1.50 more than the total value of 10-cent coins. How many coins did he have at first?
Level 3
There are some blue and yellow marbles in a container. If 10 blue marbles are removed from the container, the total number of marbles left will be 8 times the number of blue marbles left. If 5 yellow marbles are removed from the container, the total number of marbles left will be 5 times the number of blue marbles. How many marbles are there in the container?
