Joe walked four over nine of a mile in four over five of an hour. what is his unit rate in miles per hour?

four ninths over four fifths = five over nine mile per hour
four fifths over four ninths = one and four fifths miles per hour
four ninths over four fifths = one and four fifths miles per hour
four fifths over four ninths = five over nine mile per hour

What is the solution to the inequality

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day