Bella is planning to write in a journal. some pages will have one journal entry on them, and the other pages will have two journal entries on them. if bella wants to make 10 entries, how many different ways can she write them in her journal?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?