Question

66% of 90 is what?

Answer 1

59.4

Explanation:

`\bold{METHOD\ 1:}\\\\p\%=(p)/(100)\to66\%=(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`