please give the ans Q.4
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15×2/90 = 9×2/x
2/6 = 9×2/x
x=6×9
x=54 cubic metre of gas consume in 2 hours by 9 bumers
2/6 = 9×2/x
x=6×9
x=54 cubic metre of gas consume in 2 hours by 9 bumers
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