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magalifohrer
@magalifohrer
June 2021
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On mélange deux jus de fruit. Le premier dont on a 2 litres contient 10% de sucre. Le 2ème dont on a 3 litres contient 15% de sucre. Quel est le pourcentage de sucre dans les 5 litres de jus de fruit obtenu après le mélange.
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winner123
Verified answer
Bonjour
premier jus : 2 x 10/100 = 0.2 donc il y a 0.2 g de sucre
deuxième jus = 3 x 15/100 = 0.45 g de sucre
mélange
5 L de jus
0.45 + 0.2 = 0.65 g de sucre
65 / 5 = 13 % de sucre
0 votes
Thanks 1
ruby45
Le mélange des deux jus de fruit après le mélange est de 25 % ( suite au calcul que j'effectue : (10% + 15%).
2 votes
Thanks 2
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Verified answer
Bonjourpremier jus : 2 x 10/100 = 0.2 donc il y a 0.2 g de sucre
deuxième jus = 3 x 15/100 = 0.45 g de sucre
mélange
5 L de jus
0.45 + 0.2 = 0.65 g de sucre
65 / 5 = 13 % de sucre