Tina uses a $50 dollar gift certificate to buy pajamas for 17.97, a necklace for 25.49, and 3 pairs of socks that each cost the same amount. tina has to pay $0.33 because the gift certificate does not cover the total cost of all the items. how much does each pair of socks cost?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio