A toy company has increased their size of one of their dolls. The
packaging department has calculated that they need to add 3 inches to
each of the dimension of the original packaging (Original height=10 in width=2.75 length=5). What is the new amount of material needed to package one doll?
Show the details of your determination please.
if the sides are x,y,z, then the package (surface area) is
2xy + 2xz + 2yz
So, the new dimensions will be
x=3, y+3, z+3
plug in your numbers to find the area