Question

Отец старше сына на 25 лет.Возраст отца относится к возрасту сына 9:4.Сколько лет отцу и сколько лет сыну?

Answer 1

Думаю можешь понять списать

Answer 2

Solution:

To solve this problem, we can use a system of equations to represent the given information and then solve for the ages of the father and the son.

Let's denote the father's age as F and the son's age as S. We are given two pieces of information: 1. The father is 25 years older than the son: F = S + 25 2. The ratio of the father's age to the son's age is 9:4: F/S = 9/4

Equation Setup:

We can use the first piece of information to express the father's age in terms of the son's age: F = S + 25. Then, we can substitute this expression into the second piece of information to solve for the son's age.

Solving for the Son's Age:

Using the equation F/S = 9/4 and substituting F = S + 25, we get: (S + 25)/S = 9/4 Cross multiplying gives us: 4(S + 25) = 9S Expanding and simplifying: 4S + 100 = 9S 100 = 9S - 4S 100 = 5S S = 100/5 S = 20

Solving for the Father's Age:

Now that we have the son's age, we can find the father's age using the equation F = S + 25: F = 20 + 25 F = 45

Conclusion:

So, the son is 20 years old and the father is 45 years old.

This solution is based on the given information and the application of basic algebraic principles.

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