Find the median of the data in the dot plot below. Mass of each rock in Nija's collection
35
36
37
38
39
40
41
42
13
44
45
Mass (grams)

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?