express 0.6+0.7+0.4bar7 in p/q form
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O.6 bar
Let x be 0.6 bar
By multiplying by 10
10x =6.6bar
10x-x =6.6bar - 0.6bar
9x=6
x=6/9
X=2/3
0.7 bar
Let x be 0.7bar
Multiplying by 10
10x=7.7 bar
10x-x=7.7bar -0.7bar
9x=7
X=7/9
Rest of the answer I'm the photo
O.6 bar
Let x be 0.6 bar
By multiplying by 10
10x =6.6bar
10x-x =6.6bar - 0.6bar
9x=6
x=6/9
X=2/3
0.7 bar
Let x be 0.7bar
Multiplying by 10
10x=7.7 bar
10x-x=7.7bar -0.7bar
9x=7
X=7/9
Rest of the answer I'm the photo
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X=7/9 Is the answer
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