Answer:
The pictures is unclear resend again.
Answer: this function is not factorable therefore it is prime
Step-by-step explanation:
K - Kitchen
b - Bedroom
l - Library
k = 4b
l = 14b
k + b + l = 817 pounds
4b + b +14b = 817 pounds
19b = 817 lbs
b = 817/19 pounds
b = 43 pounds
Since k = 4b
k = 4 * 43 pounds
k = 172 pounds