Solve for a
a=137.5
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a\times \frac{4}{5}=110
Multiply 220 and 0.5 to get 110.
a=110\times \frac{5}{4}
Multiply both sides by \frac{5}{4}, the reciprocal of \frac{4}{5}.
a=\frac{110\times 5}{4}
Express 110\times \frac{5}{4} as a single fraction.
a=\frac{550}{4}
Multiply 110 and 5 to get 550.
a=\frac{275}{2}
Reduce the fraction \frac{550}{4} to lowest terms by extracting and canceling out 2.
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