You plan to construct a brick wall measuring 15 ft. in length, 6 ft. high, and 1 ft. in width. if a brick measures 6 in. x 4 in. x 2 in., how many bricks will you need? (remember to round up.) total volume (to the nearest cubic inch) = cubic inches. the number of bricks = .

Answer with explanation:

Dimension of  wall which consist of Brick

→→→1 feet = 12 inches

Length = 15 feet=15 × 12 =180 inches

Breadth =6 feet=6 × 12= 72 inches

Height = 1 feet=1 × 6 = 6 inches

Volume of Wall= Length × Breadth × Height

                         =180 × 72 × 6 cubic inches

Dimension of  brick

Length = 6 inches

Breadth = 4 inches

Height = 2 inches

Volume of Brick = Length × Breadth × Height

                         = 6 ×4×2 cubic inches

→→→→Number of Brick

5=812a+9+3

step 1: simplify both sides of the equation.

5=812a+9+3

5=(812a)+(9+3)(combine like terms)

5=812a+12

5=812a+12

step 2: flip the equation.

812a+12=5

step 3: subtract 12 from both sides.

812a+12−12=5−12

812a=−7

step 4: divide both sides by 812.

812a /812 = -7/812

a= -1/116

so the answer is

a=   -1/116