The following two-way table of *row* relative frequencies shows data on taking vitamin C supplements and contracting a cold for a group of $280$ French skiers.
| Cold | No Cold | Row total
- | :-: | :-: | :-:
**No Vitamin C** | $0.22$| $0.78$ | $1.00$
**Vitamin C** | $0.15$ | $0.85$ | $1.00$
**How many French skiers that were given Vitamin C contracted colds?**
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