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2014-08-19T15:13:40+03:00
100%...........1,2lei
140%.......... xlei
_________________

x=  \frac{140x1,2}{100}

x=1,68 lei
1,2*40/100+1,2=1,2*2/5+1,2=6/5+(6/5)*(2/5)=12/25+6/5=42/25=1,68
sukkes!!!!
What's the problem?
2014-08-19T15:21:25+03:00
1,2 + 1,2*40/100 = 1,2 + 1,2*2/5 = 6/5 + (6/5)*(2/5) = 6/5 + 12/25 = 42/25 = 1,68 lei.

Bafta!