Question

Eddy drilled into a piece of wood and a joist to attach them. If he drilled 3 inches and the wood was 1 1/3 inches thick, how far did he drill into the joist?

Answer 1

ANSWER:
1 2/3 inches

WORKING OUT:
3 - 1 1/3 = 1 2/3

Answer 2

[/tex]1\frac{2}{3}[/tex] inch

Explanation:

thickness of wood = 1 1 / 3 inches = 4 / 3 inches

Amount of total drill = 3 inches

Amount of joist drill = amount of total drill - thickness of wood

=
`3 - (4)/(3)=(9-4)/(3)=(5)/(3)=1(2)/(3)`

Thus, the amount of drill in joist is [/tex]1\frac{2}{3}[/tex] inch.