Question

4. In a factory, 15 of every 300 light bulbs
tested were defective. At the same rate,
if 1,200 bulbs are tested, how many of
them would be defective?

Answer 1

Answer:

60 defective light bulbs

Step-by-step explanation:

So you multiply 300 by 4 to get 1,200, which is the total number of lightbulbs. Then you multiply 15 by 4 which equals 60.