The femur is the upper leg bone, and the tibia is one of the lower leg bones. The average length of the fumer is 50.5 cm, and the average length of the tibia is 43.03 cm. Estimate the total length of the leg if the bones were placed end to end

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