A price used to be £40, but is now £50.
What is the percentage increase?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

What is the solution to the division problem below x3+x2-11x+4/x+4

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room