Answer:
Step-by-step explanation:
1.5 * 13 = 19.5 dollars
0.50 = 20 - 1.5x where 0.50 is the amount of money he has left and x is the number of bottles of water he buys
<span>The issue that results from the combination of limited resources and unlimited wants? is: Scarcity </span>
Hints: how far behind her will you be when you start (miles, not just hours). What equation then describes your position and your friend's position.
I dont lnow the awnser of that but good luck on that!