Answer:
The length of the curtain, after adding the new length is 2 ¹/₂₄ yard long.
Explanation:
Given;
initial length of the curtain, L₀ = 1 ¾ yard = ⁷/₄ yard
length of the lace Jan will cut from, L = ⅞ yard
fraction to be cut from the yard, x = ⅓
New length to be added is given by;
Total length of the curtain, after adding the new length is given by;
Therefore, the length of the curtain, after adding the new length is 2 ¹/₂₄ yard long.