Final answer:
Based on the given literacy rate of 17 out of 20, the proportional number of literate people out of 100 would be 85.
Step-by-step explanation:
The student is asking how to scale a ratio up to a different total number. In this case, we have a literacy rate of 17 literate people out of every 20. To find out how many are literate out of 100, we can set up a simple proportion:
- The ratio of literate people to total people in the original group is 17/20.
- We want to find the equivalent ratio when the total is 100.
17/20 is the same as x/100, where x is the number of literate people out of 100. To solve for x, we can cross multiply to get:
- 20x = 17 * 100
- x = (17 * 100) / 20
- x = 1700 / 20
- x = 85
Therefore, out of 100 people, 85 would be literate based on the given ratio.