A store manager receives a delivery of 10 boxes of lightbulbs. Each box contains 20 lightbulbs. The store manager tests all the lightbulbs in one of the boxes and finds that 4 of them are defective. Which statement about the lightbulbs in the remaining boxes is best supported by this information?

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads

idk

step-by-step explanation:

central angle of a triangle has the same measure as its intercepted arc.

step-by-step explanation: