Step-by-step explanation: The guy above was right. Step one: 144 cookies divided by 9 to get 16 cookies per platter. Then you do 64 cookies divided by 16 cookies per platter to get 4 platters for 64 cookies. Good job other guy.
X=5/8 or x=-4/3 here is the work if needed... 24x^2+17x-20=0 Step one: Factor left side of equation. (8x-5)(3x-4)=0 Step two: Set factor equal to 0. 8x-5=0 or 3x-4=0 x=5/8 or x=-4/3
