If j and k are nonzero integers, which pair of points must lie in the same quadrant? (j, j) and (k, k) (j, k) and (jk, jk) (j + k, 3) and (3, j + k) (3j, 3k) and (StartFraction 3 Over j EndFraction, StartFraction 3 Over k EndFraction)

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