Function Not increasing over all of its natural domain

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

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?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.