Official GMAT Quest 2

[preciousrain7]

Company R’s annual profit has increased by a constant amount each calendar year since 1985. What was Company R’s annual profit in 1991?

(1) In 1985 Company R’s annual profit was $212,000; in 1989 Company R’s annual profit was $242,000.

(2) Company R’s annual profit has increased by $7,500 each year since 1985.


[spoiler]the official ans is A, why isn't it D?


Thanks![/spoiler]

[simplyjat]

The second information does not tell the profit in 1985...
so we can assume profit in 1985 to be x
then profit in 1991 = 6*(7500) + x, but thats it we have no way to eliminate X

[preciousrain7]

The second information does not tell the profit in 1985...
so we can assume profit in 1985 to be x
then profit in 1991 = 6*(7500) + x, but thats it we have no way to eliminate X

OMG i finally got it! Thanks! My test is on next Friday. I guess I"m just freaking out.