We are given a formula for the surface area of a rectangular prism:
[tex]S.A.=2lw+2wh+2lh[/tex]
And we are given the dimensions of a box of cookies,
- length 5 in
[tex]l=5[/tex]
- width 3 in
[tex]w=3[/tex]
height 2 in
[tex]h=2[/tex]
And we are asked to find the surface area os the box of cookies. Assuming the box is a rectangular prims, we can simply substitute the dimensions given into the given formual for the surface area:
[tex]\begin{gathered} S.A.=2\cdot5\cdot3+2\cdot3\cdot2+2\cdot5\cdot2 \\ S.A.=30+12+20 \\ S.A.=62 \end{gathered}[/tex]
So, the surface area of the box of cookies if 62 in², which corresponds to the fourth alternative.
