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人気のある Word Problems >

2 In 5 years time I will be 5 times as old as I was 11 years ago. Form a suitable equation, and hence determine my age. \(? \)

解

2 In 5 years time I will be 5 times as old as I was 11 years ago. Form a suitable equation, and hence determine my age. \( ? \)

解

my age is : 21 \frac{2}{3}

解答ステップ

Translate the problem into an equation:

2 (x + 5) = 5 (x - 11)

x

を解く

2 (x + 5) = 5 (x - 11) : x = \frac{65}{3}

仮分数を帯分数に変換する:

21 \frac{2}{3}

my age is : 21 \frac{2}{3}

人気の例

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