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A woodworking machine decreased the thickness of a board from 3/4 of in inch to 9/16 of an inch. by what number of inches (i) did the thickness of the board decrease ?

Respuesta :

The thickness of the board was decreased from 3 / 4 inches to 9 / 16 inches.

Therefore,

[tex]\text{ the decrement = }\frac{3}{4}-\frac{9}{16}=\frac{12-9}{16}=\frac{3}{16}\text{ inches}[/tex]

So the board's thickness in inches decreased by

[tex]\frac{3}{16}[/tex]

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