Solve for x
x=650
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87.75=x\times 0.135
Multiply 0.045 and 3 to get 0.135.
x\times 0.135=87.75
Swap sides so that all variable terms are on the left hand side.
x=\frac{87.75}{0.135}
Divide both sides by 0.135.
x=\frac{87750}{135}
Expand \frac{87.75}{0.135} by multiplying both numerator and the denominator by 1000.
x=650
Divide 87750 by 135 to get 650.
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