The following two-way table of *row* relative frequencies shows data on college graduation rates and whether or not a student took an Advanced Placement (AP) class while in high school. Of the students surveyed, $900$ took an AP class in high school.
| Did not graduate from college | Graduated from college | Row total
- | :-: | :-: | :-:
**Took an AP class** | $0.22$| $0.78$ | $1.00$
**Did not take an AP class** | $0.35$ | $0.65$ | $1.00$
**How many of the total students surveyed graduated from college?**
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