Bonjour,
4 croissants sans remise = 4 x 0,65 = 2,60€
remise = 2,6 - 2,2 = 0,40€
0,40/2,60 = 0,153846... ≈ 154/100 = 15,4% => 15% de remise
Bonjour;
4 croissants 2,20
1 croissant: 2,20/4 =>0,55
[(0,55-0,65) / 0,65]*100
= -15, 38% = > 15%
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Bonjour,
4 croissants sans remise = 4 x 0,65 = 2,60€
remise = 2,6 - 2,2 = 0,40€
0,40/2,60 = 0,153846... ≈ 154/100 = 15,4% => 15% de remise
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Bonjour;
4 croissants 2,20
1 croissant: 2,20/4 =>0,55
[(0,55-0,65) / 0,65]*100
= -15, 38% = > 15%