Question

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?​

Answer 1

Answer:

42 m strip of each roll

As red roll is 42 m long and both yellow and green roll can be cuþ into 42 so we can take 42 m long strips from each roll.