Question

15.12 is what percent of 12?

Answer 1

126%

Explanation:

`\bold{METHOD\ 1}\\\\\begin{array}{ccc}15.12&-&p\%\\\\12&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\12p=(15.12)(100)\\12p=1512\qquad\text{divide both sides by 12}\\p=126`

`\bold{METHOD\ 2}\\\\p\%=(p)/(100)\\\\p\%\ of\ 12\ is\ equal\ to\ 15.12:\\\\(p)/(100)\cdot12=15.12\\\\(12p)/(100)=15.12\qquad\text{multiply both sides by 100}\\\\12p=1512\qquad\text{divide both sides by 12}\\\\p=126`