Question

please answer step by step please​

Answer 1

Answer:

which standard is this

Answer 2

Let area of wall be y square feet.
Painted area = 240 square feet.
Area covered by paint = 48% of the area of the whole wall.

According to statement

48% of y = 240

48/100 x y = 240

y = (240x100)/48

y = 500 square feet.

So area of wall is 500 square feet.