Ireally don't understand how to calculate the mileage and show your work !mrs. walters drove 360 miles on 25 gallons gas. mr. walters drove 480 miles on 32 gallons of gas. a. find the mileage of gas per gallon for mrs. walter's car. b. find the mileage of gas per gallon form mr. walter's car. c. which car is getting the better mileage per gallon?

A50% increase followed by 33 1/2% decrease

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function. a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.