[tex]\bf \stackrel{miles}{40}~in~\stackrel{minutes}{25}\implies \cfrac{40~miles}{25~\underline{minutes}}\cdot \cfrac{60~\underline{minutes}}{hr}\implies \cfrac{40\cdot 60~miles}{25~hr}
\\\\\\
\cfrac{2400}{25}\cfrac{miles}{hr}\implies 96\frac{miles}{hr}[/tex]
