You need 300 ml of a 65% alcohol solution. on hand, you have a 50% alcohol mixture. how much of the 50% alcohol mixture and pure alcohol will you need to obtain the desired solution?
you will need
ml of the 50% solution
and
ml of pure alcohol.

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp