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Question

Answer

(a) Morning sold —> 210
Afternoon sold —> 106 => Total = 316 buns
sold <—-left 15%–>
Night [u][u] [——-5u——–]
5u -> 15%
u -> 15/5 = 3
Hence sold = 2u = 2x 3 = 6%
(b) 15 + 6 = 21 So morning + afternoon sold = 100-21 = 79%
79% -> 316
100% = (316/79) x 100 = 400
Hence number of buns he has at first = 400
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