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desmond_lam1

方程問題(英文)

Carrie Lam has a sum of money to buy 7 notebooks. If the price of each notebook increases by $4, 1 less notebook can be bought with the same amount of money. Find the price of each notebook after the increase in price. (以方程作答!!!)

解答 0

  • eric
    2019-11-18 08:58:31
    7(x-4)=6x, where x is the price in question
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