Randy buys gas at a store that charges $3 per gallon. sarah buys gas at a different store. the table shown here gives the cost when she buys 3, 4, and 5 gallons of gas.  is gas more expensive at randy’s store or sarah’s store?

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.