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39 votes
39 votes
Best Buy is having a sale on All television. TV You want costs $500.00 but is on sale for 30% off.Discount = Total cost = ____ - ____ =

User Sawdust
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1 Answer

11 votes
11 votes

To calculate the discount we can use a rule of 3 so:


\begin{gathered} 500\to100 \\ x\to30 \end{gathered}

so the equation:


\begin{gathered} x=(500\cdot30)/(100) \\ x=150 \end{gathered}

So the total cost will be:


T=500-150=350

User Romsky
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