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9.Length of sheet is 63/4 cm.
Breadth of the sheet is 25/2 cm.
Perimeter is 2(l+b)=2(63/4+25/2)=2(113/4)=56.5 cm.
10.38/5-73/10=0.3 cm.
11.)18-38/5=52/5
12.)42/5-109/15=17/15
13.)15/4-3/2=2¼m.
14.)11/3-3/2=2 1/6 hrs.
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