From a rope 15 1/2 m long, three pieces of lengths 1 2/5 m, 2 2/3m and 4 5/9 m are cut off. What is the length of a remaining rope ?
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total length of the rope= 15 1/2= 31/2
length of rope cut out = 7/5+ 8/3 + 41/9
=63/45 + 120/45 +205/45
= 388/45
length of rope remaining = 31/2 - 388/45
= 1395/90 - 776/90
= 619/90 m
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