Afew years ago, a total of 2669 thousand people lived in the metropolitan areas of las vegas, nevada, and sacramento, california. sacramento had 275 thousand more residents than las vegas. what was the population of each metropolitan area?

Let's make equation for this problem. Let's say the population of LV is x, then Sacramento will be x+275 since Sacramento had 275 thousand more residents than Las Vegas. Remember that their total population is 2669, so your equation will be  

If you solve this equation, you have x=1197, that is population of LV. So Sacramento is 1472.