Water is leaking out of a container. At 2:30 p. m., there are 42 pints of water in the container. At 4 p. m., there are 30 pints of water in the container. If the water continues leaking out of the container at the same rate, how much water will be in the container at 6:30 p. m.?

A. 26 pints

B. 50 pints

C. 25 pints

D. 10 pints

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18