Solve for a
a\geq -\frac{800}{81}
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a\geq \frac{480}{-48.6}
Divide both sides by -48.6. Since -48.6 is negative, the inequality direction is changed.
a\geq \frac{4800}{-486}
Expand \frac{480}{-48.6} by multiplying both numerator and the denominator by 10.
a\geq -\frac{800}{81}
Reduce the fraction \frac{4800}{-486} to lowest terms by extracting and canceling out 6.
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