Discover! Ratios Are Either Part-to-Part or Part-to-Whole. Part-to-Part Part-to-Whole Compares two things based upon their Compares one thing to the entire lot. differences. Note: All ratios seen in this lesson so far are Note: Part-to whole ratios can also be part-to-part. expressed as percentages. Example: In a class of 26 students where there are 16 men and 10 women, the ratio of men to all students is 16:26. We could also say 16 out of 26 students are men, or about 61.5% of the students are men. 1) In the example above, what is the ratio of women to the whole class? a) Write the ratio as a fraction: 10- 5 26 13 b) Can the ratio be written as a percentage? Explain your reasoning. VPS part to who 0384 615 3846 0 , 3846 / 53846 X 10 0 c) Interpret the ratio using a meaningful sentence. 38. 4615 384 4 X100 100 38.46= 38: 46% 100 2) The population of North Korea is estimated to be 25 million people, whereas the estimated population of South Korea is 51 million. a) Write the ratio of North Koreans to South Koreans as a decimal rounded to the nearest thousandth: b) Can the ratio be written as a percentage? Explain your reasoning. c) Interpret the ratio using a meaningful sentence