The fishman family income for one month is $2,000. if 25% is spent for lodging, 35% for food, 5% for clothing, and 10% for savings, how many dollars are left for other expenses?

We first need to see how much the percents are which looks like this:
 35 + 25 + 5 + 10 = 75
So already we know that the costs add up to only 75% of 100%. We then can subtract 100 from 75 which is 25. We then can just find what 25 percent of 2,000 is, which is 500. 

500 dollars are left for other expenses. 

The answer might be a