HOW???

1*1 = 1

0.25 * 0.2 = 0.5

1 + 0.5 = 1.5

You can think about 25*2=50

Thanks :D

Sorry guest but your answer is not correct

For starters,     0.25*0.2 = 0.05   NOT    0.5

How does 1,25 * 1,2 = 1,5 How does it become 1,5

\(1.25\times 1.2 \\ =(1+\frac{1}{4})\times 1.2\\ =1\times 1.2 + \frac{1}{4}\times 1.2\\ = 1.2 + \frac{1.2}{4}\\ = 1.2 + 0.3\\ =1.5\)

Thank you melody :D