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In 1992 funding for a program increased by 0.62 billion dollars from the funding in 1991. In 1993 the increase was 0.40 billion dollars over the funding in 1992. For those three years the funding was 11.39 billion dollars. How much was funded in each of these three years?

Respuesta :

1991 = 2.78 billion
1992 = 3.40 billion
1993 = 3.80 billion
but im not too sure and here are the answers before rounding 
1991 = 2.77666667
1992 = 3.39666667
1993 = 3.79666667

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