Question

Amy had some buns and pies in the ratio 16: 9. After she sold a total of 192 buns and pies, 1/3 of the pies were left and the number of buns decreased by 3/8. Chandra bought 3/4 of Amy's remaining pies at
$3.85 each.
(a) How many buns were sold?
(b) How much money did Chandra pay for the pies?