18/12=22.50/n
he could buy 15 gallons
So she starts out with -1 dollars. Then she borrows 4 more and gets to -5 dollars. If she pays him back 3 dollars, she is left still owing him 2 dollars as her balance is at -2 dollars.
-1 - 4 + 3 = x
X = -2
Answer:
-2 ≤ n < 8
Step-by-step explanation:
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