Question

5) ESCREVA AS SEGUINTES PORCENTAGENS NA FORMA DE FRAÇÃO IRREDUTIVEI

A)10%

B)20%

C)30%

D)40%

E)50%

F)75%

G)83%

H)95%

Answer 1

Resposta:

Vamos lá!

A)10%

$\dfrac{10}{100} =\dfrac{1}{10}$

B)20%

$\dfrac{20}{100} =\dfrac{2}{10} =\dfrac{1}{5}$

C)30%

$\dfrac{30}{100} =\dfrac{3}{10}$

D)40%

$\dfrac{40}{100} =\dfrac{4}{10} =\dfrac{2}{5}$

E)50%

$\dfrac{50}{100} =\dfrac{5}{10} =\dfrac{1}{2}$

F)75%

$\dfrac{75^{:5} }{100^{:5} } =\dfrac{15}{20}=\dfrac{3}{4}$

G)83%  é um número primo

$\dfrac{83}{100}$

H)95%

$\dfrac{95}{100} =\dfrac{19}{20}$