Question

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

Answer 1

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