Leo and Maggie volunteer at the local bird sanctuary. Volunteers carry walkie talkies. Leo notices that his battery charge is only at 20%. When fully charged, the batteries last 12 hrs. Leo thinks the

Leo and Maggie volunteer at the local bird sanctuary. Volunteers carry walkie talkies. Leo notices that his battery charge is only at 20%. When fully charged, the batteries last 12 hrs. Leo thinks the walkie talkie will last for his entire 3 hour shift. Will it? and how long will it last