a survey was taken of twenty dentists about Sparkly toothpaste. sixteen of the dentists recommended sparkly toothpaste to their patients. the same survey was given to dentists in a different state. the time they ask thirty dentists. twenty-four of those dentists recommended sparkly toothpaste to their patients continue, how many dentists out of fifty would recommend sparkly toothpaste?
So they asked 50 people total but they want to know how many agreed they should use it so 16 said yes and 24 said yes add those two numbers and get your answer