Question 338615
All units are billions of dollars.

let 1990 funding = x 
1991 funding = x + 1.06
1992 funding = x + 1.06 + 0.25 
total = 3x + 2.37 = 10.71
3x = 8.34
x = 2.78

Answers:
----------
1990: 2.78
1991: 3.84
1992: 4.09