Question

please answer this question ​

Answer 1

Answer:

Step-by-step explanation:

2p - 1 , 3p + 1 , 11

arithmetic mean : 2b = a + c

here : a =  2p - 1 , b =  3p + 1 , c = 11

2 (3p + 1) = 2p - 1 + 11

6p + 2 = 2p + 10

6p - 2p = 10 - 2

4p = 8

p = 8/4

p = 2