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bernardinojunior
@bernardinojunior
October 2020
2
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450 com desconto de 30%?
Nos meus cálculos deu 420
me ajudem
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MATHSPHIS
Verified answer
30% de 450 = 0,3 x 450 = 135
450 - 135 =
315
1 votes
Thanks 2
bernardinojunior
Obrigado
Diandra13
Fazendo a regra de 3
450 = 100%
x = 70%
450. 70= 100x
31500=100x
31500/100=x
315= x
Ou seja, com o desconto de 30%, paga-se 315 reais
0 votes
Thanks 2
bernardinojunior
Obrigado
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Lista de comentários
Verified answer
30% de 450 = 0,3 x 450 = 135450 - 135 = 315
450 = 100%
x = 70%
450. 70= 100x
31500=100x
31500/100=x
315= x
Ou seja, com o desconto de 30%, paga-se 315 reais