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? ans 7
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Answer:
Greatest length of each strip= 22 m
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