Acontractor charges $209 to carpet a 90-square-foot room and $289 to carpet a 140-square-foot room. the contractor charged a customer $553 to carpet a room under this same pricing plan. what was the area of the room that was carpeted?

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

How do i take any fraction and make it into a decimal or percentage?