Mrs. summer's third grade class is putting on a play. if she has 13 1/8 yards of fabric, and each student needs 7/8 of a yard for a costume, how many students can make costumes?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.