Answer:
what is the question?
Step-by-step explanation:
4w-7k=28
-4w -4w
-7k=-4w + 28
/-7 /-7
k=0.57 + 4
As they are traveling in opposite directions you need to do 50 + 40 to find out how far apart they travel every hour. 50 + 40 = 90. So you know that they are 90 miles apart every hour.
180 / 90 = 2. so you know that it takes them 2 hours to be 180 miles apart.
Answer:
A
Step-by-step explanation:
A