What is the quotient of 6/7 and 2/3

For each proportion find the unknown number x 1/5/8=×/15

Landon wrote that 3−2.6=4. which statement about his answer is true?

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