a scientist has two solutions: Solution A contains 60%salt and solution B is 90% salt. she wants to obtain 120 onces of a mixture that is 80% salt. How many ounces of each solution should she use...

a scientist has two solutions: Solution A contains 60%salt and solution B is 90% salt. she wants to obtain 120 onces of a mixture that is 80% salt. How many ounces of each solution should she use...

A rectangular lot has length (2x^2+10) feet and width of (x^2+2x+2) feet. what is its perimeter?

Twice a number, added to seven, is the same as three subtracted from some number. what is the number?

how would I write this problem in an equation. A family of 4 goes to the movie theater and spends $30.50. They buy 2 tickets for children at $3.50 per ticket, 2 adult tickets, 3 boxes...

I need help immediatley

i cant find the answer

this problem makes no sense to me! Pls help!

could you put steps on how you get the answer.

Please explain how to solve : checkmark 4/25 and checkmark 4/checkmark25

1.8x10^5 and 3x10^4 in scientific notation? Confused on what the answer is, help?

A 10-foot ladder is leaning against a wall. The base of the ladder is 2 feet from the base of the building. How far up the building does the ladder fall? A television is measured by...

I need help, please answer this

The money students spend on food when they buy our skateboards decreased according to the statistics. Therefore, our product decreases the appetite of students. a. solid...

Stuck on this problem

On Saturday Jamal jogged 2 1/2 miles and on Sunday the jogged 3 1/8 miles. Tom jogged 5 3/4 miles on Sunday. Which boy jogged farther tis weekend? By how much?

1. Write an expression that represents the profit althea made 2.evaluate the expression. Name the property used in each step

I need to know how to make and solve a stem and leaf plot, to prepare for a test.

I don't have a description... its just a word problem

Find the volume of a cone with a base radius of 4ft and a height of 9ft. Write the exact volume in terms of pi , and be sure to include the correct unit in your answer.

Your car's fuel efficiency is 24.2 miles per gallon. You are going on a trip this weekend and will be driving a total of 272 1/4 miles. If gasoline costs $1.489 per gallon, about how much will the...