Solve for p
p=1.9
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91.2=48p
Multiply 120 and 0.4 to get 48.
48p=91.2
Swap sides so that all variable terms are on the left hand side.
p=\frac{91.2}{48}
Divide both sides by 48.
p=\frac{912}{480}
Expand \frac{91.2}{48} by multiplying both numerator and the denominator by 10.
p=\frac{19}{10}
Reduce the fraction \frac{912}{480} to lowest terms by extracting and canceling out 48.
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