Leos pencil case contains 8 black pens, 6 blue pens, and 2 red pens. he loses 4 pens, 2 of which are blue. if he then picks one pen out of the pencil case at random, what is the probability that it will be blue?

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.