Mr. Wang bought back four basketball and five football for 520 yuan for the first time, and five basketball and four football for 533 yuan for the second time?

All in all, nine basketball and nine football cost 1053 yuan. One basketball and one football cost 117 yuan, four basketball and five football cost 520 yuan. Then one football cost 520-117 * 4 = 52 yuan, and one basketball cost 533-117 * 4 = 65 yuan

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