Astudent calculates that 52.5 g of product can be prepared from a given set of initial amounts of the reactants. the student then goes into the lab, performs the experiment, and produces 48.2 g of product. what is the percent yield?

Answer asap a family of two adults and three children went to a water park. admission to the water park costs $18 per person. nora used the expression 12(18)+3(18) to model the total cost for the family, and alex used the expression 5(18) which property of operations makes both of their expressions correct?