convert the map scale to a unit rate how many inches represent one mile? show the interpret the meaning of the unit rate

Question

3/10in = 7/8mi

Answer 1

(3/10)/(7/8) = x/1

Cross multiply and solve for x.

Answer 2

So would the answer be 24/70? (oi, i'm super late on this)

Answer 3

So what's the answer?