How many of the 1,500 light bulbs in the crate are defective

Answer:
60 lightbulbs
Step-by-step explanation:
1500 * 0.04 = 60
The answer is C, 60.
To get this, take the the total, 1500, and divide it by 100:
1500/100=15
Then, multiply by 4 to get 60.