It rained twice as much on Tuesday as Monday.  On Monday it rained 3 inches more than Sunday.  It rained 4 inches on Sunday.  How much total rainfall was there over the 3 days?
How many inches did it rain on Monday? ** It rained 3+4=<<3+4=7>>7 inches on Monday
How many inches did it rain on Tuesday? ** So it rained 7*2=<<7*2=14>>14 inches on Tuesday
How many inches did it rain over the 3 days? ** That means the total rainfall was 7+14+4=<<7+14+4=25>>25 inches
#### 25