The w正孔ale price for a shirt is 4.50 . A certain department store marks up the w正孔ale price by 90%. Find the price of the shirt in the department store.Round your answer to the nearest cent, as necessary.

解

The wholesale price for a shirt is 4.50 . A certain department store marks up the wholesale price by 90%. Find the price of the shirt in the department store.Round your answer to the nearest cent, as necessary.

解

Amount after addition : 8.55

解答ステップ

Translate the problem into an equation:

x = 4.5 + 0.9 \cdot 4.5

x = 4.5 + 0.9 \cdot 4.5 : x = 8.55

Amount after addition : 8.55

The w正孔ale price for a shirt is 4.50 . A certain department store marks up the w正孔ale price by 90%. Find the price of the shirt in the department store.Round your answer to the nearest cent, as necessary.

解

解

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