WAVE men would he hire to do the same work in 20 days? VII. Post Test: Solve the following problems to find the missing term. 1. At the rate of 3 items per P100, how much will 12 items cost? 2. In the ratio of 3:2:2, three brothers invested a total of 249,000 to op store. Find each brother's share in the investment. 3. A stock of food is enough to feed 50 persons for 14 days. How many the food last if 20 more persons will be added?​