Répondre :
si on note x sa production
on a
1/4 x + 3/10 x + 540 000 = x
0.25 x +0.3 x + 540 000 = x
x - 0.55 x = 540 000
0.45 x =540 000
x = 1 200 000 brins de muguet
on a
1/4 x + 3/10 x + 540 000 = x
0.25 x +0.3 x + 540 000 = x
x - 0.55 x = 540 000
0.45 x =540 000
x = 1 200 000 brins de muguet