If p and q are two non zero numbers and 18(p+q) = (18+p)q, which of the following must be true?
-
q = 18
- p <1
- p = 18
- q < 1
The correct answer is: A
Explanation
If 18(p + q) = (18 + p)q
then 18p + 18q = 18q + pq
18p = pq \(\implies\) q = 18.
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