Deron can paint a room in 3 hours working alone. Tristan can paint the same room in 6 hours working alone. How long after Deron starts to paint the room will it be finished if Tristan joins him 1...

In his boat, Jerry can travel 24 miles upstream in the same time that it takes to travel 36 miles downstream. If the rate of the current is 2 mph, what is the rate of the boat in still water?

A relief package is released from a helicopter at 1600 feet. The height of the package can be modeled by the equation:   h(t)=-16t2+1600   where h is the height of the...

In 1992 funding for a program increased by 0.10 billion dollars from the funding in 1991. In 1993, the increase was 0.72 billion dollars over the funding in1992. For those three years the funding...

5/[6y^2-7y+3] + 4y/[3y^2+4y+1] Simplify

Kevin walked mc009-1.jpg of a mile in 12 minutes. Assuming he walked at a constant speed the entire time, which expression can be used to determine the distance he walked each minute?

There are a total of 80 full containers of water in a storage unit. Some of the containers have a capacity of 10 gallons and the rest have a capacity of 20 gallons. If the containers have a combined...