The following table gives some data collected about the population of a town by age: What is the ratio of the number of people whose age is 18 or greater but less than 25 to the number of people whose age is 25 or greater but less than 40?

Answer Choices

Correct answer marked below

6:7

Correct

23:17

17:23

18:19

Cannot be determined

See the full step-by-step explanation

You can see the correct answer above. Sign in for free to unlock the complete worked solution.

Track your performance and improve

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Start for free Sign in

Explanation

Preview

Official Explanation

Official

Question: # of people, where: (18yrs ≤ age < 25 yrs) / (25 yrs ≤ age < 40 yrs)

First, find the total population: (Less than 18yrs) + (18yrs or older) = 420 + 690 = 1,110

Second, find how many people are between 18 and 25: (25 yrs or more) - (18 yrs or more) = 690 - 510 = 180…

Read the full explanation

Create free account Sign in

Comments

No comments yet

Be the first to share your thoughts and help others understand it better.

What this question tests

What it tests

Your ability to convert between fractions, ratios, and decimals and to reason proportionally.

Common trap

Cross-multiplying incorrectly or mixing up the ratio parts — a part:part ratio is not a fraction of the whole.