What value should be used for junction CA in the Hardy Cross method?

[foo9008]

Homework Statement

i have a netwrok of pipe as shown in the figure . I'm asked to find the flow rate using HARDY CROSS method . in the second trial of first loop at junction CA , which value should i use ? -15.3 from the corrected in second loop ? or 22.7 from the corrected value in the first loop ?

Homework Equations

The Attempt at a Solution

i think we should use 22.7 from the corrected value in the first loop ? am i right ?

 

[foo9008]

bump