Answer:

Step-by-step explanation:

a) 9/212 = #mph
b)0.000142045 Miles / 0.000277778 hours = # mph
Step-by-step explanation:
a) 9/212 = #mph
b)
1)9 inches divide the length value by 63360 is 0.000142045 Miles
2) 1 hour 3600 seconds in ones hour so 1/3600 =0.000277778
3) take miles/hour
0.000142045 Miles / 0.000277778 hours = # mph
Answer:
B)1.1
Step-by-step explanation:
I'm 100% sure
11)
3x = 180
x = 60
12)
6x + 18 = 180
6x = 162
x = 27