bonsoir
adultes = x
enfants = x - 4
recette = 130 x + 460 ( x - 4) = 130 x + 460 x - 1840
= 590 x - 1840
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bonsoir
adultes = x
enfants = x - 4
recette = 130 x + 460 ( x - 4) = 130 x + 460 x - 1840
= 590 x - 1840