Express in decimal form cu 7 10 b. 7 100
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Explanation:
Let the breadth of the wall be x metres.
Then, Height = 5x metres and Length = 40x metres.
x * 5x * 40x = 12.8
=>x3 =12.8/200 = 128/2000 =64/1000
=> x = 4/10 m
=> x = (4/10)*100 = 40 cm.
hope it helps u...
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