out of a roll of thread of 82 metres two lengths of 33 m 30 cm and 28 metres 61 cm are cut. what is the length of thread left on the roll?
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total length of thread=82m=8200cm
length of first piece=33m30cm=3300+33=3333cm
length of second piece=28m 61cm=2800+61=2861cm
Let length of third piece =x cm
x+2861+3333=8200
x=2006 cm =2000+6=20m and 6 cm
length of first piece=33m30cm=3300+33=3333cm
length of second piece=28m 61cm=2800+61=2861cm
Let length of third piece =x cm
x+2861+3333=8200
x=2006 cm =2000+6=20m and 6 cm
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