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Question: Frank bought two teddy bears. The heights of the two teddy bears are 356 feet and 678 feet. Estimate the average height of the teddy bears.


A ) 4.5 feet
B ) 7.5 feet
C ) 6.5 feet
D ) 5.5 feet

Steps to derive

1 Total height = 356 + 678

2 ≈ 4 + 7 = 11
 [Round to the nearest half.]

3 Average height = Total height of the teddy bearsNumber of teddy bears

4 = 112 = 5.5
 [Substitute and simplify.]

5 The average height of the teddy bears is about 5.5 feet.



Hence the right answer is Option D

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