304,029 views
26 votes
26 votes
At 8 AM Romeo begins the 945 mile drive from Denver to Phoenix at a speed of 75 mph Juliet left Phoenix for Denver at 8:30am driving at 90 m/hr What time do they meet

User Digvijaysinh Gohil
by
2.5k points

1 Answer

17 votes
17 votes

Step 1

Given; At 8 AM Romeo begins the 945-mile drive from Denver to Phoenix at a speed of 75 mph Juliet left Phoenix for Denver at 8:30am driving at 90 m/hr What time do they meet

Step 2


\begin{gathered} 75(t+(1)/(2))+90t=945 \\ 165t+(75)/(2)=945 \\ 165t+(75)/(2)-(75)/(2)=945-(75)/(2) \\ 165t=(1815)/(2) \\ (165t)/(165)=((1815)/(2))/(165) \\ t=(11)/(2) \\ t=5hours\text{ 30 minutes} \end{gathered}

Thus, they will meet at;


Answer;


User Jinwei
by
3.3k points