Question

Simplifique: (5/2.2/3): 1/42*
A) 1/2
B) 80/3
C) 20/5
D) 45/7
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Answer 1

Explicação passo-a-passo:

$( \frac{5}{2 } . \frac{2}{3} ) \div \frac{1}{42} = \frac{10}{6} \div \frac{1}{42} = \frac{10}{6} \times 42 = \frac{420}{6} = \div \frac{6}{6} = 70$