find the given proportions
1) 3/8=6/x
2)4/5=12/x
3)x:4 ::5:2
4)8/9=x/81
5) 6/9= 8/x+1
Answers
Answered by
1
1)16 cross multiplication
2)25 cross multiplication
2)25 cross multiplication
Answered by
2
1) x= 6*8/3=16
2)x= 12*5/4 =15
3) x/4 = 5/2 => x=5/2*4=10
4)x=8/9*81=72
5)6/9=8/x+1
=>6(x+1)=8*9
=>6x + 6 = 72
=> 6x = 66
=> x = 11
2)x= 12*5/4 =15
3) x/4 = 5/2 => x=5/2*4=10
4)x=8/9*81=72
5)6/9=8/x+1
=>6(x+1)=8*9
=>6x + 6 = 72
=> 6x = 66
=> x = 11
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