Level 3
There are 30 stickers in Box A and 50 stickers in Box B.
How many stickers are transferred from Box B to Box A
so that both boxes have equal number of stickers?
Level 3
Emily collected 4 times as many coins as Tim. After Tim had collected another 135 coins, both of them had an equal number of old coins. How many old coins did Emily collected?
Level 2
Amy had $40 less than Bianca. Bianca gave some money to Amy. In the end, Amy and Bianca had the same amount of money. How much money did Bianca give to Amy?
Level 2
Eva had $70 more than Lucy. Lucy gave some money to Eva. In the end, Eva and Lucy had the same amount of money. How much money did Lucy give to Eva?