me ajuda e para hoje
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Resposta:
1)
(A) 5%
(B) 15%
(C) 28%
(D) 56%
(E) 24%
(F) 20%
2)
alternativa (B)
Resposta:
1-
a) 10----100%
x----50%
100x=500
x=5
b) 50---100%
x-------30%
100x=1500
x=15
c) 40---100%
x-----70%
100x=2800
x=28
d) 70----100%
x------80%
100x=5600
x=56
e) 40----100%
x-------60%
100x=2400
x=24
f) 80----100%
x-----25%
100x=2000
x=20
2- 500----100%
x-------50%
100x=25000
x=250 bombons