The new pad of paper has 120 pages. Sammy uses 25% of the pages for his science project, and another 10 pages for his math homework. How many pages remain in the pad?
He used 0.25*120=<<0.25*120=30>>30 on science
There were 120-30=<<120-30=90>>90 pages left
And then he has 90-10=<<90-10=80>>80 after math.
#### 80