a)what is ratio? give 5 example .b) simplify the following 1.12/162. 30/453. 18/274. 25/1005. 9/15
Answer (1)
Answer:A. What is RatioA ratio is a way of comparing two quantities of the same kind by division. It shows how much one number is compared to another. We usually write it as:a : b (read as “a is to b”),a is to ba/bExamples:Boys to Girls in a ClassroomIf there are 12 boys and 18 girls, the ratio of boys to girls is 12:18, which can be simplified to 2:3.Salt to Sugar in a RecipeIf a recipe needs 4 cups of salt and 6 cups of sugar, the ratio of salt to sugar is 4:6, or simplified, 2:3.DistanceIf a car travels 60 km in 2 hours, the ratio of distance to time is 60:2, or 30:1 (meaning 30 km per hour).Pencils to Pens in a BagIf there are 5 pencils and 10 pens, the ratio is 5:10, which simplifies to 1:2.Age ComparisonIf Ana is 15 years old and her brother is 20, the ratio of their ages is 15:20, or simplified, 3:4.B. Simplify the following:12/16 ÷ 4/4 = 3/430/45 ÷ 15/15 = 2/318/27 ÷ 9/9 = 2/325/100 ÷ 25/25 = 1/49/15 ÷ 3/3 = 3/5
