Question

3
The sum of the ages of two brothers is
36 years
and their differencese is 10 years, find
the ages.​

Answer 1

Step-by-step explanation:

Let ages be = x & y

x + y = 36

x - y = 10

x = 23

y = 36 - 23 = 13

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Answer 2

Given:

1. Sum of 2 brothers ages = 36 years.
2. Difference between their ages = 10 years.

To find:

• Ages of 2 brothers = ?

Method:

Let the ages of 2 brothers be x and y respectively.

According to the question,

x + y = 36  ------ (Equation 1)

x - y = 10   ------- (Equation 2)

Adding Equations 1 and 2,

               x + y = 36

     (+)      x - y  = 10  

                2x = 36 + 10

⇒ 2x = 46

⇒ x = 46/2

⇒ x = 23 years.

Substitute value of x in any one of the equation

x - y = 10

⇒ 23 - y = 10

⇒ 23 - 10 = y

⇒ y = 13 years.

Therefore the ages of 2 brothers are 23 years and 13 years.