Objects in image: Whiteboard
Text visible in image: cashew, C=60-a, 12-100, a=, almon, 12%=, =0.12, (-30), 36C-36a=-2160, -2160, 60, 180, 36c+27a=1800, lhs, of, almands, an., 20, lhs, Coushow's, (60-a), +2.7a, =180, WofTFers, alshal, falcohol, Calif:, 127., .12, Calif., wine, contnins, 12%, aleohol., .15, French, wine, contains, 157., alcohol., French, 200, 13.8%, 200, liters, of, blend, Blend, (200), 32UI, thet's, 13., 87, aleshol, How, X+y=, 200, much, we, mix?, 8ol, of, Calif, wine, 12x+.15y, 27.6, 360, 4r+, 1201, of, French, wine, 12X+15y, 2760, Y=120, 2(-Y+00)+15y=2760, -12y, +2400, +15Y, 2760
Question: how much alcohol does calif. wine contain?
Answers: 12% alcohol , 12%, 12%, 12%, 12%, 12%, 13.8%, 12%, 13.8%, 12.7%