Mateo ate 3/8 of a pizza, which was a total of 510 calories of food. which equation can be used to determine the total number of calories in the entire pizza?
1. 3/8x = 510
2. x/510 = 3/8
3. 3/8 = 510x
4. 3/8(510) = x

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