D because if you do a rate problem you do 50 times what equals 100 so times two then you do 32 times two
Answer:
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Answer:
It is compound because it is explaining
Step-by-step explanation:
Ok so important numbers 42 ft, 2cm, 3 ft and lets take height as x
if 2cm=3ft than x cm= 42 ft
2 = 3
-------
x= 42
cross multiply divide
(42)2/3
84/3
28
You need to find an area of one rectangular wooden plank 8*3,
and then top and the bottom area is 2*8*3
and total area is 12*2*8*3