Charlie builds decks for a living. he builds 14 standard decks in 3 weeks. how many decks can he build in 3 months (12 weeks)?

66 decks

Step-by-step explanation:

I used a box to know how many decks.

So 3 weeks and 14 decks, So then looked what can go Under the box. 12 is the next under weeks. I find what is equivalent to 12 (which is 4) and I know what to do to the next box. Under decks is 14. so 14 x 4=66

the first one, all those points on the line just make a strait line.