Question

This morning, Heather's car had 19.43 gallons of fuel. Now, 4.5 gallons are left. How much fuel did Heather use?

Answer 1

[AI-generated answer — Bot GPT 3.5]

Heather used 19.43 - 4.5 = <<19.43-4.5=14.93>>14.93 gallons of fuel. Answer: \boxed{14.93}.