4
Roma gave a wooden board of length 150 cm
making a shelf. The Carpenter sawed off a piece
What is the length of the remaining piece?
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Answer:
ANSWER
total length Roma gave=
4
150×4+1
=
4
601
length used=
5
40×5+1
=
5
21
Remaining=total length-used length
4
601
−
5
21
=
4×5
601(5)−21(4)
=
20
3005−84
=
20
2921
=146
20
1
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