Question

50% of 40 dollars align="absmiddle" class="latex-formula">

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Answer 1

Answer:20 dollars

Step-by-step explanation:

Percent is always out of 100%, and 50% is half so you need half of 40 giving you the answer of 20

Answer 2

Answer:

$20

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\p\%=\dfrac{p}{100}\to50\%=\dfrac{50}{100}=\dfrac{1}{2}=0.5\\\\50\%\ of\ \ 40\to0.5\cdot\ 40=\ 20\\\\\bold{METHOD\ 2:}\\\\\begin{array}{ccc}100\%&-&\ 40\\\\50\%&-&x\end{array}\qquad\text{cross multiply}\\\\\\100x=(50)(\ 40)\\100x=\ 2000\qquad\text{divide both sides by 100}\\\\x=\ 20$