ATrucks have n wheels. How many wheels would 150 trucks have?

BMike has y sweets. He cares the sweets among 5 friends . How many sweets does each friend get?

CMary has x pencils. Her friend has three times that amount plus 4 more. How many pencils does her friend have?

DJane has y CDs. She gave 12 of them to Chris. She then had 20. How many CDs had she at first?

EAlex has $( pounds*)x. He won $15 in a competition. He now has $45. How much money had he at first?