Based on the two way frequency table above, what is the percentage of individuals that selected sports cars as their preferred vehicle? 65%

35%

55%

45%

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