How much water must be added to 5 qt of a saline solution that is 20% salt in order to reduce it to 15% salt?

Write the equation of the line. 7) Through (-6, - 7) parallel to - 2x + 7y = 26 A) y = 2 7 x - 37 7 B) y = 6 7 x + 26 7 C) y = 7 2 x + 7 2 D) y = - 2 7 x + 37 7

4/5 of a number is more than 3/4 of the number by 5. find the number

Which expression represents "5 less than twice x"?

How do you get 16.9 when you solve the equation?

A jar contains 20 yellow marbles, 55 green marbles, and 25 purple marbles. You pick one marble from the jar at random. What is the theoretical probability of picking a purple marble?

Solve for y. 4y + 6 = 2y y =

14/40 2/6 5/20 7/28 15/50

A leak in a pool causes the height of the water to decrease by 0.25 ft before the leak is fixed. After the leak is fixed the height of the water is 4.75 feet. The equation 4.75=x + (-0.

What are the equivalent fractions to 20/24

Sales tax is currently 9.5% write an algebraic expression to represent the total amount paid for an item that cost d dollars after tax is added to the purchase