Ihave a kit for constructing a chicken coop. the kit comes with 10-foot long beams. the instructions say to cut each beam into two pieces such that one piece is 3 times the length of the other. how many feet long should the long piece be?

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