Answer:
Answer 3.59
Step-by-step explanation:
Remark
This is called an extraneous information question. That means you have a piece of information you don't need. You'll get a lot of these in math courses yet to come. The piece of information you don't need is 79.95.
All you need are the other two numbers.
Givens
sale price= 62.79
Pocket money = 59.20
Formula
Amount needed = Sale price - Pocket money
Solution
Amount needed = 62.79 - 59.20
Amount needed = 3.59