Solve for p
p=28
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p=16\times \frac{7}{4}
Multiply both sides by \frac{7}{4}, the reciprocal of \frac{4}{7}.
p=\frac{16\times 7}{4}
Express 16\times \frac{7}{4} as a single fraction.
p=\frac{112}{4}
Multiply 16 and 7 to get 112.
p=28
Divide 112 by 4 to get 28.
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