Pls help in (b).
If I take C as1,2,3 and 4 then pamela’s age is 17years,21, 25 & 29 respectively &their total age 45,55,65,75respectively. Could you please explain why I should take C as4 because the correct answer given is 75.
Thanks in advance.

Pls help in (b).
If I take C as1,2,3 and 4 then pamela’s age is 17years,21, 25 & 29 respectively &their total age 45,55,65,75respectively. Could you please explain why I should take C as4 because the correct answer given is 75.
Thanks in advance.