It takes 8 minutes for Sue to make 2 laps around the go-kart track. How many laps can Sue complete in 24 minutes?

The width of Jay’s original photo is 8 inches. The length of the original photo is 10 inches. He prints a smaller version that has an equivalent ratio of width to length. The width of the smaller version is 4 inches less than the width of the original. What is the length of the smaller version?

Ariel bought 3 raffle tickets for $5. How many tickets could Ariel buy for $15?

What’s the Error? Greg used the steps shown to find the unknown value. Describe his error and give the correct solution.

\(\begin{align}
\frac{2}{6} &= \frac{\text{?}}{12} \\
\frac{2+6}{6+6} &= \frac{\text{?}}{12} \\
\frac{8}{12} &= \frac{\text{?}}{12} \\
\end{align}
\)

The unknown value is 8.

Courtney bought 3 maps for $10. Use the table of equivalent ratios to find how many maps she can buy for $30.