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Maddox' mom paid $28.80 for abirthday cake to serve 8 people.What is the cost per person forthe cake?Number Sentence:Answer:

User Matthias
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1 Answer

13 votes
13 votes

We can solve this problem by applying the rule of three, that is


\begin{gathered} 28.8\text{ ----- 8 persons} \\ x\text{ ------- 1 person} \end{gathered}

then,


\begin{gathered} x=((28.8)(1))/(8) \\ x=(28.8)/(8) \\ x=3.6 \end{gathered}

and the answer is $3.6 per person.

User Pierre Jouvelot
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