Answer:
50 miles
Explanation:
From the given table, Superhero B can swim 10 miles in 3 minutes.
We want to find out how far he can swim in 15 minutes.
Let the distance he can swim in 15 minutes = x miles.
[tex]\frac{Distance}{Time}:\frac{10\;miles}{3\text{ minutes}}=\frac{x\;miles}{15\text{ minutes}}[/tex]
Solve the equation for x:
[tex]\begin{gathered} \text{ Cross multiply} \\ 3x=10\times15 \\ \text{ Divide both sides by 3} \\ \frac{3x}{3}=\frac{10\times15}{3} \\ x=50\text{ miles} \end{gathered}[/tex]
Superhero B can swim 50 miles in 15 minutes.