# Three parts, one total

A paper count has dot:dash:ring = 1:3:2. Find every count for total 42. Decide which totals from 35, 36 and 37 can work exactly with whole marks.

**Check:** seven groups give 7, 21, 14. Six-part groups fit 36, yielding 6, 18, 12; 35 and 37 do not fit exact whole counts.