Shannon saves 1235 in november. In november, she saved $250 less than she did in december. How much money did she save in the two months?

In December she would have saved $1585 because 1235 + 250 = 1485. You can find how much money she raised in those 2 months by adding the totals of both months together, so 1485 + 1235 = 2720. She saved $2720 in the 2 months.