Step-by-step explanation
b = 2h is given
2 b + h = 4 hours is given sub in the top equation
2 (2h) + h = 4
5h = 4
h = 4/5 hr or 48 minutes
It's hard to read could you just right the number
Step-by-step explanation:
-5(4a) = (-5a)4
(By commutative property of multiplication)
Answer:
151,000
Step-by-step explanation:
