Join my z0om we gonna be playing Kahoot 10 players needed to play z0om code 844 8777 9383 pas hi123 see ya anyone can if ur 20+ sorry no can’t join we need more ppl hurry

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