Wolfram Alpha wid Goodhean Wisco X Login a ll - MA3111 A-CR English Carlon plans to evaporate a number of gallons of water from 90 gallons of a 15% salt solution to make a 25% salt solution. Which equation can he use to find x, the number of gallons that should be evaporated? Original (Gallons) 13.5 Removed (Gallons) 0 New (Gallons) Amount of Salt Amount of Solution 90 х 213-5 - 26 13.5 - 250 O 13.5(90-x) = 0.25 13.5(90-x) - 25 Save and Exit Next Submit ark this and return

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.