a mechanic buys an old tv and spends 15% of the price he had paid for it on repairing it.if he incurs a loss of 8% when he sells the tv set for rs 2645, how much had he paid for the old tv set?
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he paid rs 2500 to the merchant. and spend rs 375 on repaing. the loss of 8%
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Answer:
He paid for the old t v set = Rs 2500
Step-by-step explanation:
Let the amount paid to purchase old T.V is x
C.P = x + 15/100 * x = 23/20 x
Loss = 8% of C.P = 8/100 * 23/20 x = 92/1000 * x
Loss = C.P - S.P
92/1000 * x = 23/20 x - S.P
S.P = 23/20 x - 92/1000 * x
2645= (1150 - 92 /1000) * x
2645 * 1000/ 1058 = x
x = 2500
He paid for the old t v set = Rs 2500
C.P = 23/20 * 2500 = 125 * 23 = 2875
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