betty wants to install new carpet in her room the room is 15ft and the width 15ft. if the cost of the carpet is £8per square foot, what will be the total cost to carpet betty living room

The dimensions of living room are 15 feet by 15 feet, so side = 15 feet

since the carpet is square,

area of square = side * side

area of carpet = 15*15 = 225 feet square.

Cost of 1 square foot of carpet = £8

Cost of 225 square feet of carpet = £8 * 225 = £1800