Asked by Elena

The number 11,p,q,21¹/2.....form an A.P. Find p and q
Answered by oobleck
q-p = p-11
21.5-q = q-p

p = 29/2, q=18
d = 3 1/2, so the sequence is

11, 14 1/2, 18, 21 1/2
Answered by Olaniyi
Answer not clear
Answered by Ferdinand
Answer
Answered by Ramou
Need answer
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