Solve for p
p=20
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1.2p=28-4
Subtract 4 from both sides.
1.2p=24
Subtract 4 from 28 to get 24.
p=\frac{24}{1.2}
Divide both sides by 1.2.
p=\frac{240}{12}
Expand \frac{24}{1.2} by multiplying both numerator and the denominator by 10.
p=20
Divide 240 by 12 to get 20.
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