Alisha has three role of streamers to used in decorating the school Chembur dance competition the lead role is 42 long yellow role is 49 M long and the green role is 63 metre long she wants to cut the role in two steps of equal length and have no no material left over what is the greatest length of each strip

Alisha has three role of streamers to used in decorating the school Chembur dance competition the lead role is 42 long yellow role is 49 M long and the green role is 63 metre long she wants to cut the role in two steps of equal length and have no no material left over what is the greatest length of each strip 3. Alisha has three roll of streamers to use in decorating the school gym for a dance competition. The red roll is 42 m long, yellow roll is 49 m long and the green roll is 63 m long. She wants to cut the roll into strips of equal length and have no material left over. What is the greatest length of each strip ?

Dear Student,

The greatest length of each strip is the highest common factor of the numbers 42m, 49m and 63m.
42=2×3×749=7×763=2×3×7Since here 7 is the only common factor.So, H.C.F of 42, 49 and 63 is 7.Therefore the greatest length of strip should be 7m.
Regards

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