Atennis racket at at sport city costs $180 and is discounted 15% the same model racket costs$200 at tennis world and is on sale for20% off which store is offering the better deal?

Mate, stop repeating questions, wait until your question has been answered.

15% of 180 is (180 * 0.15) = 27.

180 - 27 = $153 paid.

20% of 200 = (200 * 0.2) = 40.

200 - 40 = $160 paid.

Therefore Sport City offered the better deal.

Sport city is offering a better deal.
Sport city= $153
Tennis world= $160