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Kacirabiha
@Kacirabiha
May 2019
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Bonjours, j’aimerais avoir une aide pour l’exercice suivant: Noémie achète un collier et un bracelet, elle paie en tout 124,50€. Le bracelet coûte 38,20€ de moins que le collier. Quel est le prix de ces bijoux ? Merci.
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Verified answer
Collier = x
bracelet = x - 38.20
x + x - 38.20 = 124.5
2 x = 124.5 + 38.20
2 x = 162.7
x = 81.35
le collier coûte 81.35 € et le bracelet 43.15 €
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calinizou
Verified answer
Bonjour
le collier=x
le bracelet=x-38.20
donc équation
x+x-38.20=124.50
2x-38.20=124.50
2x=124.50+38.20
2x=162.7
x=162.7/2=81.35
tu vérifie
le bracelet 81.35-38.20=43.15 euros
le collier 81.35 euros
collier + bracelet=
43.15+81.35=124.50 euros
0 votes
Thanks 0
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Lista de comentários
Verified answer
Collier = xbracelet = x - 38.20
x + x - 38.20 = 124.5
2 x = 124.5 + 38.20
2 x = 162.7
x = 81.35
le collier coûte 81.35 € et le bracelet 43.15 €
Verified answer
Bonjourle collier=x
le bracelet=x-38.20
donc équation
x+x-38.20=124.50
2x-38.20=124.50
2x=124.50+38.20
2x=162.7
x=162.7/2=81.35
tu vérifie
le bracelet 81.35-38.20=43.15 euros
le collier 81.35 euros
collier + bracelet=
43.15+81.35=124.50 euros