Solve for c
c\geq 10
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c\geq 25\times \frac{2}{5}
Multiply both sides by \frac{2}{5}, the reciprocal of \frac{5}{2}. Since \frac{5}{2} is positive, the inequality direction remains the same.
c\geq \frac{25\times 2}{5}
Express 25\times \frac{2}{5} as a single fraction.
c\geq \frac{50}{5}
Multiply 25 and 2 to get 50.
c\geq 10
Divide 50 by 5 to get 10.
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