Answer:
4
Step-by-step explanation:
20 x 4 = 80
so 1 per 20 minuets,and 4, 20 min. magazines would mean he needs 4 to make it to 80
We can use the Front Outside Inside Last (FOIL) method to expand the double bracket

Front ⇒

Outside ⇒

Inside ⇒

Last ⇒

Put the four terms together we have

, then collect like terms
24 I think is the answer but I'm not sure. Hope I helped:)
Answer: IM pretty sure your correct
Step-by-step explanation:
the correct answer is, B.
41