Arectangular room is 1.5 times as long as it is wide, and its perimeter is 27 meters. find the dimension of the room.

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?

Aregular hexagonal pyramid has a base area of 45 in2 and a lateral area of 135in 2. what is the surface are are of the regular hexagonal pyramid