What is 11/15 divided by 1/5

Choose the more precise measurement. 26.4 cm or 8.39 cm

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?

What is a correct first step in solving the inequality-4(3-5x)> -6x+9