Acompany that offers tubing trips down a river rents tubes for a person to use for $20 and “cooler” tubes to carry food and water for $12.50. a group spends $270 to rent a total of 15 tubes. how many of each type of tube does the group rent?

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?