Butter and flour are mixed in the ratio 2 : 3.Chris has 640 grams of butter and 880 grams of flour. How much more flour does he need?

Multiply. write your answer in simplest form. 3/8 x 5/7

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,

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