12 students are excellent students, they make up 37. 5% of the class. How many students is in the entire class?

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?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

Need solving this 2nd limit problem.