Answer: 
Step-by-step explanation:
Let be "x" the amount of gasoline in liters that the car's tank had at the beginning of the trip.
1. In the first part of the trip the amount of gasoline the car used can be expressed as:

2. After the first part of the trip, the remaining was:
3. In the second part of the trip the car used
of the remaining. This is:

4. The total amount ot gasoline used in this trip was 20 liters.
5. Then, with this information, you can write the following equation:

6. Finally, you must solve for "x" in order to find its value. This is:
Answer:
what the heck why would you delete my answer the correct answer is c....
A cube has 6 sides
a cube is made off 6 squares
The surface of a square is length²
2² x 6 = 24 m²
The value of 6t - q when t = -3 and q = -5 is -13
Find 6t - q
when t = -3 and q = -5, the value of 6t - q can be found as follows:
<h3>What is substitution:</h3>
Substitution simply means to put in place of another.
Therefore, let substitute the value of t and q in the equation 6t - q and solve. Therefore,
- 6t - q
- 6(-3) - (-5)
- -18 + 5
- -13
learn more on algebra here: brainly.com/question/24219052?referrer=searchResults