Answer: 16.80 euros
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Explanation:
There are two approaches
The slightly slower approach is to do this
12% of 15 = 0.12*15 = 1.80
So you get an 1.80 euro raise and the new amount you get is 15+1.8 = 16.80 euros
The shortcut is to do this
1.12*15 = 16.80
This works because increasing by 12% is the same as taking 112% of that original amount.
