Calcule: a)4% de 350b)10% de 1,400c)15% de 1,400d)20% de 3,450.... Pergunta de ideia deRafaela1308

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Rafaela1308 @Rafaela1308

April 2020 2 58 Report

Calcule:
a)4% de 350
b)10% de 1,400
c)15% de 1,400
d)20% de 3,450

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Lista de comentários

milenaonzi 4% de 350 = 0,04 x 350
0,04 x 350 = 14

10% de 1400 = 0,10 x 1400
10 x 1400 = 140

15% de 1400 = 0,15 x 1400
0,15 x 1400 = 230

20% de 3450 = 0,20 x 3450
0,20 x 3450 = 690

:)

1 votes Thanks 7

Rafaela1308 e)25%de 48 f)4,8% de 100 g)75% de 60 h)120% de 3000 i)300% de 450 por favor me ajude

milenaonzi e) 12

milenaonzi f) 4,8

milenaonzi g) 45

milenaonzi h) 3600

milenaonzi i) 135

JimmyNeutron Letra a :

350 ----- 100 %
x ------ 4 %

100x = 350 . 4
100x = 1400
x = 1400 / 100
x = 14

Letra b :

1,400 -------- 100 %
x --------- 10 %

100x = 1,400 . 10
100x = 14
x = 14 / 100
x = 0,14

Letra c :

1,400 ------ 100 %
x ----- 15 %

100x = 1,400 . 15
100x = 21
x = 21 / 100
x = 0,21

Letra d :

3,450 ------- 100 %
x ------ 20 %

100x = 3,450 . 20
100x = 69
x = 69 / 100
x = 0,69

3 votes Thanks 3