A chemist has three different acid solutions. The first acid solution contains 15 % acid, the second contains 30 % and the third contains 50 % . They want to use all three solutions to obtain a mixture of 144 liters containing 25 % acid, using 3 times as much of the 50 % solution as the 30 % solution. How many liters of each solution should be used?

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?

Give me the equations of two lines that have the same slope but are not parallel.