Answer: the answer is 19
Step-by-step explanation:
B:200 becuase "t" is the variable 10 multiplied by 8 day the days they want to plug into t so 80. 80+120 is 200.
Answer:
False
Step-by-step explanation:
You can't add two different variables together
Answer:
4 hours
Step-by-step explanation:
Given
Car 1:


Car 2:

--- i.e. 2 hours after car 1
Required
Determine the time car 1 will meet car 2
To do this, we calculate the distance of both cars using:

For Car 1:


For Car 2:

Open bracket

When car 2 meets up with car 1, they are at the same distance.
So:

Collect Like Terms


Solve for h


<em>Car 2 will catch car 1; 4 hours from the start</em>
Answer:
I think this is the correct solution