Respuesta :

chudung1976

Answer:

Step-by-step explanation:

+ we can figure out like:

21-----------> 75     in   12 mins

21-----------> T      in      x mins

we see that:

[tex]\frac{75}{T}=\frac{12}{x} \\[/tex]

So we find: T= 75x/12= 6.25x

The answer is T=6.25x

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