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Big brother, big sister, help me! I can't do math problems in grade one! ~ ~ ~ ~(& gt; _ & lt)~ ~ ~ Help me! Otherwise, the teacher will teach you tomorrow (KO)
1, solution: make a dress worth x silver coins.

Judging from the meaning of the question: (x+ 10)*7/ 12=x+2.

The solution is x=46/5.

A: A dress is worth 46/5 silver coins.

2. solution: suppose the price of this commodity is x yuan per piece.

Judging from the meaning of the problem: 0.9x-250=250* 15.2%.

The result is x=320.

The price of this commodity is 320 yuan per unit.