The carpet erin has chosen costs $2.50 per square foot . how much will it coast her to carpet the floor

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?