Answer:
5/6
Step-by-step explanation:
Step 1: Rewrite 9/18
9/18 = 1/2
Step 2: Rewrite problem
1/2 + 1/3
Step 3: Find GCD (Greatest common denominator)
6
Step 4: Rewrite fractions
3/6 + 2/6
Step 5: Add
Answer: no.
Step-by-step explanation: In reaction Pb -> PbSO4 Pb is oxidised
Losing two electrons
Let the cost price be x
Answer: (x,y,z) = (-4,0,-2)