At store B, the cost is given by y = 2x where y is the cost in dollars and x is the number of pounds of apples.

What is the unit price apples at store B? How did you use the equation to find the unit price?

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.