Answer:
11.5,19,26.5,34
Explanation:
so here were simplifying the numbers to repeat them,example: 23รท2=11.5
An=a+nd
23, 38, 53, 68
First term a=23
d=a2-a1
=38-23=15
For n term
An=a+(n-1)d
For n+1 term
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