Respuesta :

105 m = 2.5 h
 
x miles = 1 hour

You cross multiply since it's a proportion:
2.5 * x
105 * 1

=

2.5x = 105

Then you divide everything by 2.5

The answer is 42
the answer is 42.You get this when you divide 105 by 2 1/2

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