Answer: B. The total fare changes by $4 per kilometer, and it will cost $24 for a distance of 6 kilometers.
Step-by-step explanation:
Answer: 70.56 miles
d = 5/6 sqrt(h)
7 = 5/6 sqrt(h)
42/5 = sqrt(h)
h = (42/5)^2 = 1,764/25 = 70.56 miles
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