Answer:
384
Step-by-step explanation:
18 dozen plus 13 dozen equals 32 then multiply by 12 equals 384
Because 4 + 4 = 8 and you know that 3 is one less than one you could do 8-1= 7 so 4 + 3 = 7
Nope.
I don't really know how to explain this in a way that will make sense to you, but just look at the numbers:
Area 8 x 3= 24 units²
Per 16+6= 22 unites
Area 12 x 2 = 24 units²
per 24+4 = 28 units
See? the area is the same but the perimeter is different.
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Hope this helps :)