The perimeter of a rectangle was 6 cm. Every dimension was multiplied by a scale factor and the new perimeter was 384 cm. What was the scale factor? What if the area was 6 cm2 and became 384 cm?? What if the volume of a
rectangular box was 6 cm and became 384 cm3?

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.