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on online streaming service offers gift certificates to purchase rental plans. You received a gift certificate for $30 for your birthday. The service is five dollars a month. How many more months will your certificate last? write an equation and solve

User Ethanneff
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1 Answer

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1 month cost $5.

To find how many months $30 last, we can use the next proportion:


\frac{1\text{ month}}{x\text{ months}}=\frac{5\text{ \$}}{30\text{ \$}}

Solving for x,


\begin{gathered} 1\cdot30=5\cdot x \\ (30)/(5)=x \\ 6\text{ months }=x \end{gathered}

The certificate will last 6 months

User Zoidbeck
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