30 discs coloured green or yellow are placed in a bag so that 5/6 of the discs are yellow. What is the ratio of green to yellow discs in the bag? Select one:
a. 6:5
b. 1:5
c. 5:1
d. 5:6

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?