Respuesta :

Answer:

What do you mean 20 miles to 11 miles?

do you mean like 11% of 20 or something im confused.....

Step-by-step explanation:

Answer:

45% decrease

Step-by-step explanation:

So from 20 miles to 11 miles is down 9.

9 / 20 is 0.45

So the answer is 45%

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