Part A: r = d/t
Part B: 221760 feet per hour
Part C: 42 mph
Part D: Miles because we are measuring large distances
Answer: b=13, t=29
Step-by-step explanation:
Substituting the first equation into the second,

K=10
Here is the equation
180-115=65
(4K+5)+(6k+10)+65=180
Answer:
B
Step-by-step explanation:
r = 14/2 = 7units
