In algebra, symbols are used to represent numbers. Example: 5x=20 or 4x=24
To get the answer, you divide the length of the board by the size of the pieces wanted, so the equation you get is
9/1.5 = 6
So you can get six 1.5in shelves from a 9ft board
Answer : 12.56 inches²
Explanation :
Diameter is twice the radius.
Radius = 4 ÷ 2 = 2 inches
Area = 3.14r² = 3.14 × 2² = 12.56 inches²
