problem:
The price of a football game € 129,- will be raised by 6%.
How much money do you have to pay now?
answer:
1. step: given/wanted
given: the base value = € 129,- the rate = 106% (100% + 6%)
wanted: part (new price)
2. step formula:
part = base * rate : 100
part = 129 * 106 : 100
part = € 136.74
answer: You have to pay € 136.74.