15

UNIT 9

Questions 28 – 30

The trees in Entland are small but very orderly. The main trunk splits into two major segments,
each of which has three major branches on it. Each major branch has four minor branches. Each
minor branch has three twigs, and each twig produces two leaves.

28

How many leaves does an Entland tree have?

A

64

C

108

B

72

D

144

29

If one major branch was broken off, the total number of leaves would be reduced by

A

  6 .

C

24 .

B

16 .

D

36 .

30

If, instead of the calamity referred to in the previous question, the number of minor branches on each
major branch was reduced to three, the total number of leaves would be reduced by

A

  6 .

C

24 .

B

16 .

D

36 .