Question

Alguem me ajuda por favor?

Answer 1

E) x/14 = 9/12

12x= 14 x 9

12x= 126

x=126:9

X= 10,50

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F) 4/10 = 2/x

4x=2 x 10

4x=20

x=20:4=

X=5

10/12 = 5/y

10y=5 x 12

10y= 60

y=60:10

Y=6