Answer:
59.4
Step-by-step explanation:
[tex]\bold{METHOD\ 1:}\\\\p\%=\dfrac{p}{100}\to66\%=\dfrac{66}{100}=0.66\\\\66\%\ of\ 90=0.66\cdot90=59.4\\\\\bold{METHOD\ 2:}\\\\\begin{array}{ccc}100\%&-&90\\\\66\%&-&x\end{array}\qquad\text{cross multiply}\\\\100x=(66)(90)\\100x=5940\qquad\text{divide both sides by 100}\\x=59.4[/tex]
