The zero product property, says that if a product of two real numbers is 0, then one of the numbers must be 0.
a. write this property formally using quantifiers and variables.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of