1970's Straight-Legged and Flared Pants Pattern Waist 24

Vintage Butterick sewing pattern 3689 for proportioned pants in two styles.
Straight-legged pants are dart fitted to waistband and have mock fly front closing, buttoned tab trim and edge stitched creases.
Slightly flared pants are darted into shaped waistline and have front zipper closing.
Size 24 inch Waist.
Uncut and complete.
Undated 1977.