t1/(t1 + 1000) = t2/(t2 + 1500)
250*12 = 3000
3000/4000 = t2/(t2 + 1500)
3/4 = t2/(t2 + 1500)
3t2 + 4500 = 4t2
t2 = 4500
4500/12 = 375 dias
375 - 250 = 125 dias (E)
pronto
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t1/(t1 + 1000) = t2/(t2 + 1500)
250*12 = 3000
3000/4000 = t2/(t2 + 1500)
3/4 = t2/(t2 + 1500)
3t2 + 4500 = 4t2
t2 = 4500
4500/12 = 375 dias
375 - 250 = 125 dias (E)
pronto