Evaluate
\frac{1600A}{PQ}
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\frac{40\times 40}{QP}A
Multiply \frac{40}{Q} times \frac{40}{P} by multiplying numerator times numerator and denominator times denominator.
\frac{40\times 40A}{QP}
Express \frac{40\times 40}{QP}A as a single fraction.
\frac{1600A}{QP}
Multiply 40 and 40 to get 1600.
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