Divide 400 by 25. You get 16. Multiply 16 by 8. You get 128.
Answer:
six and one over twelve
Step-by-step explanation:
1/4 + 5 5/6=1/4+35/6 = 6 1/12
You haven't told us whether the rectangular prism is the size of a pack of gum or more like the size of a cruise ship.
Whatever size it is, here's the number of centimeter squares you need to cover the whole outside of it:
(2 x length x width) + (2 x length x height) + (2 x width x height)
with all measurements made in centimeters.
A b + a c - 4 b - 4 c = a ( b + c ) - 4 ( b + c ) =
= (b + c) (a - 4)