Question

O keep heating costs down for a structure, architects want the ratio of surface area to volume as small as possible. An expression for the ratio of the surface area to volume for the square prism shown is . Find the ratio when b = 10 ft and h = 12 ft.

a.5/6
b.17/30
c.8/15
d.3/4

Answer 1

10/12 can be simplified down
I would divide both sides by 2 for starters, then you can see if it needs to be simplified more
10/2=5
12/2=6
Since you have an odd and an even number, you can't simplify it any more, as 5 and 6 have no common numbers.
The correct answer is A. 5/6
Hope this helps!