Question

determine o valor de X para que as frações sejam equivalentes a) 18/20= X/10 b) 6/9= 2/X c) 4/3= 21/X d) 14/10=X/35

Answer 1

a) x=9
b)x=3
c)x=63/4
d)x=49

Answer 2

Bom dia

a) 18/20 = x/10 , x = 9

b) 6/9 = 2/x , x = 3
 
c) 4/3 = 21/x , x = 63/4 

d) 14/10 = x/35 , x = 49