resolver
8/20=10/x
25/x=15/9
x/21=12/28
Respuestas a la pregunta
Contestado por
9
8/20 = 10/x
8 (x) = 20 (10)
8x = 200
x = 200/8
x = 25
25/x = 15/9
25 (9) = x (15)
225 = 15x
225/15 = x
15 = x
x = 15
x/21 = 12/28
x (28) = 21 (12)
28x = 252
x = 252/28
x = 9
8 (x) = 20 (10)
8x = 200
x = 200/8
x = 25
25/x = 15/9
25 (9) = x (15)
225 = 15x
225/15 = x
15 = x
x = 15
x/21 = 12/28
x (28) = 21 (12)
28x = 252
x = 252/28
x = 9
Contestado por
4
1) 8/20=10/x
8x=20.10
x=200/8
x=25
2)25/x=15/9
25.9=x.15
X.15/=25.9
X=225/15
X=15
3)x/21=12/28
X.28=21.12
X=252/28
X=9
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