Carcass wrote:
A polling company found that, of 300 households surveyed, 120 spent at least $100 per month on both gasoline and electricity, 60 spent at least $100 per month on gasoline but not on electricity, and for every household that did not spend at least $100 per month on gasoline or electricity, 4 spent at least $100 per month on electricity but not on gasoline. How many of the 300 households did not spend at least $100 per month on either gasoline or electricity?
(A) 24
(B) 30
(C) 36
(D) 90
(E) 96
Refer to the table;
\(x + 4x = 120\)
\(5x = 120\)
\(x = 24\)
Hence, option A
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