Question

matemática......... pfvrrrrr

Answer 1

)
$a) \frac{5}{100} = \frac{1}{20} = 2 \: reais \\ b) \frac{50}{100} = \frac{1}{2} = 300 \: parafusos \\ c) \frac{20}{100} = \frac{1}{5} = 24 \: reais$