just use what you know about APs
6/2 (2a+5d) = 46
(a+9d)/(a+29d) = 1/3
solve for a and d, then find a+12d
Sum of first six term of an ap is 46 ratio of its 10th term to that of 30th term is 1:3. Find its 13th term
2 answers
what is there