Question

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Answer 1

Resposta:

A) 6 e 30 B) 10 e 50 C) 15 E 135

Explicação passo a passo:

regra de 3

4/6 --- 24 4x/6 = 24*1/6 .'. elimina o denominador 6 e fica: 4x= 24 .'. x=24/4 x= 6

1/6 ---- x

o mesmo no outro

4/6 --- 24 4x/6 = 24*5/6 .'. elimina o denominador 6 e fica: 4x= 24*5 x= 24*5 / 4 x = 30

5/6 ---- x

B)regra de 3

2/5 --- 20

1/5 --- x

x * 2/5 = 20 * 1/5

2x/5 = 20/5

2x = 20*5 / 5

2x = 20

x= 20/2

x= 10

e 5/5:

2/5 --- 20

5/5 --- x

x * 2/5 = 20 * 5/5

2x/5 = 100/5 ( elimina o denominador)

2x = 100

x = 100/2

x= 50

C)4/3 --- 60

1/3 ---x

x* 4/3 = 60 * 1/3

4x/3 = 60/3

4x = 60

x = 60/4

x= 15

4/3 ---60

9/3 --- x

4x/3 = 60* 9/3

4x = 60*9

x= 15*9

x= 135