Answer:
Area of rectangle = 30 square feet
Explanation:
We are given that a rectangle is 9 feet long and 40 inches wide and we are to find its area in square feet.
For this, we will covert the width of the rectangle to feet and then find the area.
We know that:
![(1 foot)/(x) =(12 inches)/(40)\\x=3.3 feet](https://img.qammunity.org/2020/formulas/mathematics/middle-school/d5x7gyz7ocb7t9du8iy2elxnxiewhjf0c9.png)
So width in feet is 3.3 feet.
Area of rectangle =
= 30 square feet