Posted by **me** on Wednesday, May 4, 2011 at 10:58am.

Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches. She would like to buy a tiered, square three-layer cake and is trying to decide which sizes of cakes to order. Which combination of cakes should she get? The available sizes, in inches, are:

- geometry 2 -
**me**, Wednesday, May 4, 2011 at 11:03am
32 × 32

28 × 28

24 × 24

20 × 20

16 × 16

12 × 12

8 × 8

- geometry 2 -
**Henry**, Thursday, May 5, 2011 at 9:45pm
A = 4 * 4 = 16in^2 / slice,

At=16in^2/slice * 110slices = 1760in^2

needed.

Choose Sizes:

32 x 32 = 1024 in^2.

28 x 28 = 784 in^2.

Total = 1024 + 784 = 1808 in^2.

Surplus = 1808 - 1760 = 48 in^2 = 3

slices.

- geometry 2 -
**Anonymous**, Thursday, January 15, 2015 at 6:13pm
8x8, 12x12, 16x16

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