Level 2
Clara has some sweets. If she packs them in groups of 5, she will have 3 extra sweets. If she packs them in groups of 8, she will have 7 extra sweets. What is the minimum number of sweets Clara has?
Level 2
There were 542 adults at a park on Saturday. On Sunday, there were 340 more adults than on the previous day. How many adults were there on both days?
Level 3
Risa has 37 as many cards as Abi. They have a total of 160 cards. How many cards must Abi give to Risa so that they will have the same number of cards?