Kristen B.

Petrolyn motor oil is a combination of natural oil and synthetic oil. It contains 7 liters of natural oil for every 5 liters of synthetic oil. In order to make 1152liters of Petrolyn oil, how many... more

A jar contains twice as many dimes as quarters. There are four more dimes than nickels. There is $5.30 total. How many dimes? I have to write an equation and solve.

You have two solutions one contains 40% acid, the other 10% acid. You require 10 gallons of a 20% solution. How much of the 10% should you use? I have to write an equation and solve.

There were 429 people at Bingo Night. Admission was $1 for adults and 75 cents for children. The receipts totaled $372.50. How many adults and how many children attended the event?

you are reacting a 1M HCl solution with a sodium hydroxide solution of unknown concentration. if it takes 20.0 ml of the acid solution to react with 35 ml of the NaOH solution, what is the molarity... more

x2-49

I'm confused on how to even set this up to solve. Please help.

If sales for the third year were 38 million dollars, what were sales, in million of dollars, for the first year?  Explain your process.

You need to find a formula for the number of cars produced by a new plant that was opened 25 days ago. You are told that three days ago the plant had 450 cars on hand, and that yesterday it had 480... more

I need help to solve for x in the equation 8(b-x)=6b+ax

Write an equation and solve to find how many card. I need the answer to this.

solve for x in the equation  x^2-2x-35=0

slope intercept form

When an isosceles triangle is folded so that its vertex is on the midpoint of the base, a trapezoid with an area of 12 square units is formed.Find the area of the original triangle.