Question

There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults?

Answer 1

Find out how many children there are first. Come on, this is simple fractions/percents/decimals/ratios.

Answer 2

The ratio of adults being 5:3 means that you should first divide the audience into 8 sections. You get 18. Now, you can multiply 18 by 5 to find out how many adults there are, since 5 means quantity of adults. 

There are 90 adults