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:

32 * 32

28 * 28

24 * 24

20 * 20

16 * 16

12 * 12

8 * 8

Question

Elliot Cross

Mathematics

9 December, 19:12

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:

32 * 32

28 * 28

24 * 24

20 * 20

16 * 16

12 * 12

8 * 8

+4

Answers (2)

Know the Answer?

Ayla Burns · Answer 1

110 * (4*4) = 1760 Thats the area of the cake required.

32*32=1024

28*28=784

24*24=576

20 * 20=400

16 * 16=256

12*12=144

8 * 8 = 64

784+576+400=1760. which means 28,24 and 20 inches cakes.

Allisson Chung · Answer 2

Allisson Chung 9 December, 19:31

0

She should get a 32 by 32