Let x = speed and y = distance
y = x * 45
y = (x - 4) * 70
45x = 70x - 280
-25x = -280
x = 11.2
Put it back into the first equation:
y = 11.2 x 45
y = 504miles
Hope this helps! Any questions let me know :)
Answer:
17
Step-by-step explanation:
Answer:
13, 17, 19, and 23
Step-by-step explanation:
13+17+19+23=72
What's the question? there isn't enough info to help.