Pure acid is to be added to a 10 % acid solution to obtain 21 L of a 40 % acid solution.

Adelia had 4 dollars. She found 50 cents and then bought a snack. She ended up with 6 quarters. Which expression equals the number of dollars Adelia spent on the snack?

Simplify 8a+3b+8a-4b

4/3n=2 Solve for n Also, show work

If Yvonne wanted to make 3 dresses that use 4 7/8 yards of fabric each, how could she estimate to make sure she has enough fabric for all of them

What is the solution for x in - 10x+6y=-28

C is directly proportional to the square of D and when C=32, D = 4. Find C when D = 3

Which is the equation of an asymptote of the hyperbola whose equation is (x-2) ^2/4 - (y-1) ^2/36 = 1

What is the distributive property of - 4 (x-5)

A Circus charges two dollars and 50 Cent for kids tickets and six dollars for adults tickets. Last weekend, twice as many kids attended the circus than adults. If the ticket sales total $7150, how many kids attended the circus?

Spencer picked 85 pears. Gwen picked p fewer pears than Spencer. Write an expression that shows how many pears Gwen picked. Type an asterisk (*) if you want to use a multiplication sign and a slash (/) if you want to use a division sign.