Respuesta :

512KellyAnne

Answer:

21 miles

Step-by-step explanation:

rafbi47

Answer:

21

Step-by-step explanation:

420=20

?    =1

or [tex]\frac{420}{x}[/tex] = [tex]\frac{20}{1}[/tex]

you can then do cross multiplication and get

420=20x

you then divide both sides by 20

and get x=21

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