Final answer:
By summing up PQ and QR which equals PR, and solving the resulting equation, we found that w = 10, PR = 31 (given), and QR = 14.
Step-by-step explanation:
To solve for w, PR, and QR in the scenario where Q is situated between P and R, we have the following information:
- PQ = 2w - 3
- QR = 4 + w
- PR = 31
Since Q is between P and R, the sum of PQ and QR is equal to PR. This gives us:
(2w - 3) + (4 + w) = 31
Combine like terms:
3w + 1 = 31
Now solve for w:
3w = 30
w = 10
With the value of w, we can find PQ and QR:
PQ = 2(10) - 3 = 17
QR = 4 + 10 = 14
Thus, using algebra, we have found that w is 10, PQ is 17, and QR is 14.