Solve for a
a\geq \frac{10500}{13}
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a\geq \frac{105000}{130}
Divide both sides by 130. Since 130 is positive, the inequality direction remains the same.
a\geq \frac{10500}{13}
Reduce the fraction \frac{105000}{130} to lowest terms by extracting and canceling out 10.
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