Answer:
54 mph.
Step-by-step explanation:
3 7/20 hours = 67/20 hours.
Average speed = distance / time
= 180.9 / 67/20
= 180.9 * 20 / 67
= 54 mph.
3:1 ratio
Incorrect
Juanita is incorrect because she shouldn't be using 2 squared.
x=13
15x-15
15*13=195
195-15=180
