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Maelys85
@Maelys85
April 2019
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Équation 4e, vous pouvez m'aider svp?
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Verified answer
X = les pieces de 0,20c
(200-x) = les pieces de 0,50c
0,20x+0,50(200-x) = 52,30
0,20x+100-0,50x = 52,30
-0,30x = -100+52,30
-0,30x = -47,70
x = 159 pieces de 0,20
200-159 = 41 pieces de 0,50c
verif :
(159*0,20 + 41*0,50) = 52,30e
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Maelys85
June 2021 | 0 Respostas
Svp, pouvez vous m'aider, j'ai fait les questions a et b
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Maelys85
June 2021 | 0 Respostas
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Maelys85
April 2019 | 0 Respostas
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Lista de comentários
Verified answer
X = les pieces de 0,20c(200-x) = les pieces de 0,50c
0,20x+0,50(200-x) = 52,30
0,20x+100-0,50x = 52,30
-0,30x = -100+52,30
-0,30x = -47,70
x = 159 pieces de 0,20
200-159 = 41 pieces de 0,50c
verif :
(159*0,20 + 41*0,50) = 52,30e