Echo Canyon Camping Permits 90
80
70
60
| 2-day
5-day
50
Number of Permits Issued
40
30
20
10
Apr
May
Jun
Jul
Aug
Sept
9. In May, what was the ratio of the number
of 2-day permits to the number of 5-day
permits?
A. 2:5
B. 3:17
C. 14:3
D. 14:17

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?