2 (say, one half were children and young.

90c+30v+15,; C = 12,000c+3,000, (+3,0009) 100 0=800+20, (+20s). In either case the equation changes from: p' = 20% II. 72c-)-28v-f-203; s'=713/,%, p' = 10% 80c+20v+ 308; s' = 50%, p.