# Question #4099b

##### 2 Answers

#### Explanation:

Let us assume that the population in 1999 is

So

Oct 6, 2016

#### Explanation:

This is an example of a reverse percentage where we know the value AFTER an increase has happened, but we do not know what the original amount was.

Do NOT be tempted to just find

Here is a different approach from how Annie did it.

Percentages are always in direct proportion.

Let's compare what we know.

Let the population in 1999 be

We can consider that as

In 2000, the population had increased by

The population of 142,560 represents