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Популярное 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. \(? \)

Решение

2 I n 5 ye a rs t im e I w i ll b e 5 t im es a s o l d a s I w a s 11 ye a rs a g o . F or m a s u i t ab l e e q u a t i o n, an d h e n ce d e t er min e m y a g e . l e f t (? r i g h t)

Решение

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

Шаги решения

Translate the problem into an equation:

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

Решите для

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

Преобразуйте неправильные дроби в смешанные числа:

21 \frac{2}{3}

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

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