Respuesta :

the answer is 52

c=cost, which is given to be $20

plug that in to the given equation, c=12.70+0.14t

so it’ll be
20 = 12.70 + 0.14t

subtract 12.70 from each side

7.30 = 0.14t

divide both sides by 0.14 to get t by itself

52.1 = t

round that to 52

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