Plants are 12, 18, 9, 15 and 21 cm tall. How much taller is the tallest than the shortest?
A6 cm
B12 cm
C3 cm
D9 cm
Answer & Solution
Correct answer: B. 12 cm
The tallest is 21 cm and the shortest is 9 cm, and 21 - 9 is 12 cm.
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