Need i don't get what it's asking or what the answer is

Cost of each food truck is:

Green: $82,000

Blue:    $90,000

Step-by-step explanation:

Let us first analyse the information given. We have two trucks a Blue (B) and Green (G). We know that B costs as $8000 more than G and together they cost $172,000.

Now if we represent the cost of a truck with and we say that the Green costs , then we know that the Blue's cost will be .

Thus the total cost of the two trucks (given at $172,000) can be expressed as:

Solving the above expression for we have:

Thus we know that since Green truck is and Blue truck is the cost of each truck is:

Green: $82,000

Blue:    $90,000