You need a 30% alcohol solution. On hand, you have a 50 mL of a 20% alcohol mixture. You also have 35% alcohol mixture. How much of the 35% mixture will you need to add to obtain the desired solution?

Your history class is running a bake sale in the school cafeteria each bag of cookies cost 3 you have 150 to sell the function r (c) = 3c represents the amount of money you can make selling bags of cookies. where c is the number of bags of cookies

James earned $25 selling lemonade. If 80% of this was profit, how much did james spend initially on ingredients?

Fill in the missing facts from the fact family3•3=9

Ivanna bought 15 pounds of sugar for $7. How many dollars did she pay per pound of sugar?

A professor gives his students 9 essay questions to prepare for an exam. Only 3 of the questions will actually appear on the exam. How many different exams are possible?

Simplify the expression "-x 4 - (3x-13)

Round 855.788 to the nearest tenth

What is a simplest way to find out x

A 22ft pipe is cut into two pieces the shorter piece is 7 feet shorter than the longer piece what is the length of the longer piece

Dinner cost 72 plus a tip of 13 six people split the total bill evenly which expression shows how much each person paid