What is 5/12+4/12+7/12 as 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?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

Write 37/22 as a decimal rounded to the nearest hundredth.