Aller's Analyze Analyze Solve the followings using a Venn diagram. 1. An animal lover surveys 30 people in an exclusive subdivision. He found out that: 20 have dogs 15 have cats 10 have both cats and dogs. a. How many people have dogs only? b. How many people have cats only? c. How many people do not have either? 2. Ninety coffee drinkers were asked whether they used cream or sugar in their coffee. The summary of the survey was as follows: 59 use sugar 42 use cream 19 use both a. How many used sugar but not cream? b. How many used cream but not sugar? c. How many used cream or sugar? 3. In a group of 50 kids: 24 play patintero 15 play piko 21 play taguan 9 play patintero and piko 7 play taguan and piko 6 play patintero and taguan 3 kids play all three a. How many play piko only? b. How many play patintero but not taguan? c. How many play patintero and taguan but not piko? d. How many do not play any of the three?​