Solve for x
x\leq 160
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100x\leq 4000\times 4
Multiply both sides by 4. Since 4 is positive, the inequality direction remains the same.
100x\leq 16000
Multiply 4000 and 4 to get 16000.
x\leq \frac{16000}{100}
Divide both sides by 100. Since 100 is positive, the inequality direction remains the same.
x\leq 160
Divide 16000 by 100 to get 160.
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