If painters average painting 3/4 of a room with 2/5 of a gallon of paint, then they can paint, on average, ? rooms per gallon

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

Look at attachment. has all info needed. need