Answer the following question, with explanation first.
There are some lions in Londolozi at first. Lion cubs are born at the rate of 5 per month and lions die at the rate of 1 per month. If there are 148 lions in Londolozi after 1 year, how many lions were there in Londolozi at first?

100
There are 5 - 1 = 4 more lions each month.

There will be 4 * 12 = 48 more lions after 1 year.

There were 148 - 48 = 100 lions in Londolozi at first.

.

The answer is 100