The two-way table shows the number of long and short dresses worn to a prom in black,
red, and white. Which statement is true?
White Total
Black Red
Long 39 11
Short 25 19
24
74
30
74
Total
64
30
54
148

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.