30 of the $3 tickets were sold
70 of the $2 tickets were sold.
(3*30) + (2*70) = 230
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This just means that thefraction<span> has been reduced. For instance 4 / 6 is </span>not<span> such a </span>fraction<span>, because the top and the bottom have </span>gcf<span> = </span>2<span>, but </span>2<span> / 3 is such a </span><span>fraction</span>
