2 years ago

Which law of logic is used to make a conclusion?

Mathematics

1 answer:

avanturin [10]2 years ago

7 0

Answer:

Step-by-step explanation:

Law of Quadrilaterals.

I think this is correct, how it helps.

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lys-0071 [83]

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Step-by-step explanation:

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3 years ago

James and Sarah went out to lunch. The price of lunch for both of them was $20. They tipped their server 15% of that amount.

Wittaler [7]

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{15\% of 20}}{\left( \cfrac{15}{100} \right)20}\implies 3~\hfill \begin{array}{llll} \stackrel{\textit{price + tip}}{20+3\implies 23}\\\\ \stackrel{\textit{each one paid half of 23}}{11.5} \end{array}$