Question

Use the fermi process to estimate the number of bricks needed to fill an empty bathtub assume a typical brick has the length of 4 inches a width of 2 inches and a height of 8 inches a typical bathtub has a length of 60 inches a height of 30 inches and a width of 18 inches

Answer 1

A brick has the dimension 4in by 2in by 8 in

The bathtub has dimension 60in by 30in by 18in

`\begin{gathered} Volume\text{ of a brick = 4in x 2in x 8in = 64in}^3 \\ Volume\text{ of the bathtub = 60in x 30in x 18in = 32400in}^3 \end{gathered}`

Number of bricks needed to fill an empty bathtub =

`\begin{gathered} (32400in^3)/(64in^3)=506.25\text{ bricks} \\ =506\text{ bricks \lparen to nearest whole number\rparen} \end{gathered}`

To