Réponses

2014-05-21T12:00:25+02:00
A) 100x(8380-5280)/5280 = 100x3070/5280 = 58,1%
b) 100(10660-5280)/5280 = 100x5380/5280 = 101,9%
c) 100(11640-5280)/5280 = 100x6360/5280 = 120,5%