Lily bought a Russian nesting doll as a souvenir. The biggest doll is 243 cm tall, and each doll is 2/3rd the size of the doll that contains it. How big is the 6th biggest doll?
Use reasoning to answer the following question.
32
First find the size of the second - biggest doll: 243 cm * 2 / 3 = 162 cm.

Then find the size of the third - biggest doll: 162 cm * 2 / 3 = 108 cm.

Then find the size of the fourth - biggest doll: 108 cm * 2 / 3 = 72 cm.

Then find the size of the fifth - biggest doll: 72 cm * 2 / 3 = 48 cm.

Then find the size of the sixth - biggest doll: 48 cm * 2 / 3 = 32 cm.

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The answer is 32