Louis invites 45 friends to his birthday party. 2/3 of his friends attend, but 1/3 of them leave the party early. If everyone else stays until the end, how many of Louis"s friends are still at the party when it ends?
If x=45,
we have been asked to find
\( \frac{2x}{3} -\frac{1}{3}(\frac{2x}{3} ) => \frac{2x}{3} -\frac{2x}{9} =\frac{4x}{9} =\frac{4*45}{9} = 20 \)
...
If x=45,
we have been asked to find
\( \frac{2x}{3} -\frac{1}{3}(\frac{2x}{3} ) => \frac{2x}{3} -\frac{2x}{9} =\frac{4x}{9} =\frac{4*45}{9} = 20 \)
...
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