Angles 1 & 7 are because they are angles Angles 4 & 5 are because they are angles Angles 3 & 7 are because they are angles Angles 5 & 6 are because they are Angles 2 & 4 are because they are angles

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?