1,200
Multiply the deposit by the percent by the time. PLEASE MARK BRAINLIEST!
This can be solved using the
angle bisector theorem. Note that line segment AD is the angle bisector of triangle DAB from angle DAB. Therefore, we know that the ratios

and

are equal. Solving, we get

. Cross multiplying, we get

, and solving this equation we get

.
10.2 is your answer.
3 pairs cost $165
165/3 = 55
1 pair cost $55
Eleven pairs would cost 11(55) = $605
It would be 110.888888889.
Hope This Helps You!
Good Luck Studying :)