I need help with math homework please?

Cheryl Decided To Create A Flower Bed In Front Of Her House. One -half Of Her Flower Bed Is Planted Wit Pink Tulips. She Plants Three-fourths Of The Rest Of The Ground With Purple Iris. After That , She Plants Orange Marigolds In One-half Of What Remains. The Rest Of The Garden Is Planted With Red Gladiolas. What Percent Of The Garden Is Planted In Red Gladiolas?