Level 3
Girly has twice as many shells as Joana. After Joana has bought another 150 shells, Joana has twice as many shells as Girly. How many shells does Joana have at first?
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 2
Mrs Lynn baked 82 more cupcakes than Mrs Tina. How many cupcakes must Mrs Lynn give Mrs Tina so that Mrs Tina will have 14 cupcakes less than Mrs Lynn?