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Sagot :

VINS

bonsoir

soit x les chaussons

Laura = 2 x + 4 * 0.95 = 2 x + 3.8

Alex = 5 x + 2 *0.95 = 5 x + 1.9

2 x + 3.8 + 2.3 = 5 x + 1.9

2 x - 5 x = 1.9 - 3.8 - 2.3

- 3 x = 4.2

x = 1.4

chaussons = 1.4 €

Laura = 2.8 + 3.8 = 6.6

Alex = 7 + 1.9 = 8.9 soit 2.30 de plus

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