1. one of the tables at the party has mint chocolate chip ice cream. the servings are 1/5 of cup. after five minutes, ms. cruz had scooped out 4 servings. how much ice cream has she served?

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.