Ali is packing party bags for the children in her class . For every 3 chocolates he put into the bag, he added 5 waters. If she placed a total of 120 chocolates into bags , how many waters did she use? don't send in file okay​

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