Apack of candy orginally cost $1.50 now costs $1.20.what percentage of the orginal is the diacoint

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project

How many square centimeters of wrapping paper will be used to wrap the shoe box?

Arectangular garden measures 5m by 7m. both dimensions are to be extended by the same amount so that the area of the garden is doubled. by how much should the dimensions increase, to the nearest tenth of a metre?