Answer :
Let the required number of yarn be x, then
3 - 1/8x = 1 1/4
1/8x = 3 - 1 1/4 = 1 3/4
x = 1 3/4 / 1/8 = 14
Therefore, she can cut 14 pieces of yarn.
3 - 1/8x = 1 1/4
1/8x = 3 - 1 1/4 = 1 3/4
x = 1 3/4 / 1/8 = 14
Therefore, she can cut 14 pieces of yarn.