1.a man sells two cars at $99000 each.on one car the profit% us 10% and on the other loss% is 10%.find his loss% on the whole.
2.a man first increased the marked price of a good by 20%,and then sold it at 15% discount.did he make profit or loss?
收錄日期: 2021-04-23 20:35:09
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