Question

Jenny is going to paint the wall in her bedroom her while measures 25 feet long by 15 feet wide she plans to buy enough paint to cover the entire area of her wall on a blank piece of paper Jenny wrote The Following when calculating the amount of paint she will need 25 + 25 + 15 + 15 equals 80 feet it is Jenny calculator correct why or why not use race to organize and explain your work plz

Answer 1

No she did the perimeter of the wall which would just paint the outside border

you have to multiply 25×15 to see the area needed to be painted