The answer should be, b = 1
This requires 2 pints of oil.
Using a proportion to solve this, we have:

Cross multiplying, we have
1/2*10 = (2 1/2)*x
5 = (2 1/2)x
Divide both sides by 2 1/2:
5÷(2 1/2) = (2 1/2)x÷(2 1/2)
2 = x
Answer:
-17x - 21
Step-by-step explanation:
-4 + 5x - 17 - 22x
(-4 - 17) + (5x - 22x)
(-21) + (-17x)
-17x - 21