There are 25 buildings on Maple Street. Of these 25 buildings, 10 have fewer than 6 rooms, 10 have more than 7 rooms, and 4 have more than 8 rooms. What is the total number of buildings on Maple street that have 6,7, or 8 rooms?
a) 5 b) 9 c) 11 d) 14 e) 15 SOLUTION: The answer is choice c. GIVEN: There are 25 buildings. 10 buildings have less than 6 rooms. 10 buildings have more than 7 rooms. (EXTRA INFORMATION) 4 buildings have more than 8 rooms. ANSWER Therefore, 25 - 10 - 4 = 11 buildings that have 6, 7, or 8 rooms.
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Math Problem of the Day ANSWERS PART II
Here are the solutions to The Math Problems of The Day. The problems and solutions shown here come
from a variety of sources and I attempt to vary the difficulty level of
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