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View Full Version : Write an inequality for: three fourths of a number decreased by 25 is at least 8


juju9596
Jun 23, 2010, 11:30 AM
Just a quick question.

Unknown008
Jun 23, 2010, 11:46 AM
Let that number be 'x'.

3 fourths of that number is:

\frac34 x

If it is then decreased by 25, this means that you remove 25.

\frac34 x - 25

is at least 8, means it could be 8... or greater!

\frac34 x - 25 \geq 8