A 300-gram salt and water solution contains 25 g of salt. This mixture is left in the open air and 100 g of water evaporates from the solution. What is the percent concentration of salt in the remaining...

Your school is offering the eight grade students a choice of field trip. You may choose to go to the museum of natural history or to the aquarium. There are a total of 66 students in eight grade....

Victoria drove at an average speed of 60 mi/h from her home in Dallas to visit her sister in New Orleans. She stayed in New Orleans 15 hours, and on the trip back averaged 35 mi/h. She returned home...

If the polynomials x^4 + 3x^3 + 2x^2 + ax + b and x^3 + 3x^2 - 5x + 6 have the same remainder when divided by (x+1)^2, find the value of a and b

one side of a triangle is 2 cm shorter than the base. the other side is is 4 cm longer than the base. What lengths of the base will allow the perimeter to be greater than 26 cm?

A carpet is made of a blend of wool and other fibers. If the concentration of wool in the carpet is 75% and the carpet weighs 185 lb, how much wool is in the carpet?

A chemist has 100 ml of a solution that is 7% acetic acid. If the chemist adds 40 ml of pure water to this solution, what is the percent concentration of the resulting mixture?

Sal Boxer divided a gift of \$6000 into two different accounts. He placed \$2000 in one account that earned an annual simple interest rate of 8.5%. The remaining money was placed in an account that...