1% tương ứng với giá là
407 000:(100%+10%)x1=3 700 đồng
để lãi 15% giá gốc thì người ta phải bán món hàng với số tiền là
3700x(100%+15%=425500 đồng
đáp số : 425500 đồng
Giá gốc là:
407000:110x100=370000 ( đồng )
Phải bán là:
370000:100x115=425500( đồng )
đáp số :425500 đồng
Đáp số: 425500 đồng.
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42500 chứ mấy .Chúc các bạn học giỏi
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