You can find the elevations by finding the contour interval and each line up count up
1.Tainan=120dE
longitude difference=120-0=120
if 1degree= 4 minutes
120dg=(120×4)=480minutes
=8hrs
12:00pm + 8hrs
<h2> Ans=2000hrs or 8:00pm</h2>
<h2>Yukon =150dg W </h2><h3> 150×4=600minutes=10hrs</h3><h3> 12:00-10hrs=2:00am</h3><h2> =2:00AM</h2>
<h2> NOTE: if it's Degrees east you add by the time given and subtract by the time given when it's Degrees West</h2>
1. distribute → 3q-15= 2q +10
2. combine like terms → q=25
