What is the total resistance in the circuit? (include unit in answer - ohms)

Answer:60 ohms
Explanation:
R1=30 ohms
R2=15 ohms
R3=15 ohms
Let total resistance be R
It is a series connection
R=R1 + R2 + R3
R=30 +15 + 15
R=60
Total resistance is 60 ohms