Answer:
8
Step-by-step explanation:
Sorry im a little late but here's how i did it.
Hope this helps! :)
d = b - 3 / 10
Step-by-step explanation:
b = 10d + 3
- Place +3 in the other side of the equal sign
- + 3 becomes - 3
- b - 3 = 10
- Divide both sides by 10 to make d the subject
- b - 3 / 10 = 10d / 10
- d = b - 3 / 10
When you add them together you get 238.
Let

represent Jose's drived distance and

represent Rob's.
So what you need to do is to solve the equation:



So Jose drove for
6 hours before Rob caught him.