Sophie bought snacks for her team's practice. She bought a bag of chips for $2.49 and a 12-pack of juice bottles. The total cost before tax was $27.57. Write and solve an
equation which can be used to determine x, how much each bottle of juice costs?

Could someone with number 1 and 2

Find the commission on a $590.00 sale if the commission is 15%.

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