Christine is participating in a 4-day cross-country biking challenge. She biked for 66 ,62 ,47 and miles on the first three days. How many miles does she need to bike on the last day so that her average (mean) is 60 miles per day

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?

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.

Tell whether the two rates form a proportion