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6. Márcia cortou quatro tiras retangulares de mesma largura, cada qual de um dos lados de uma folha de papel que media 30 cm por 40 cm. O pedaço de papel que sobrou tem 68% da área da folha original. Qual é a largura das tiras? A) 5 cm B) 4 cm C) 3 cm D) 2 cm E) 1 cm 40 30 5 10 D) 10 E) 5​

asked
User Seiyria
by
7.5k points

1 Answer

2 votes

Answer:

b

Explanation:

i had it

answered
User Cyre
by
7.8k points
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