If you can buy three loaves of bread for $5 how many loaves can you buy with $12.

4+(2+x) can you me solve this problem

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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