Question

Answer please...
The number of boys and girls in the class is in the ratio 5:7. Four years later, the sum of their ages will be 56 years. What are their present ages?​

Answer 1

Step-by-step explanation:

☛Question:-

The number of boys and girls in the class is in the ratio 5:7. Four years later, the sum of their ages will be 56 years. What are their present ages?

☞Answer:-

Given:-

• The ratio of boys and girls present age is 5:7
• The sum of their ages are 56.

To find:-

• Present age of them.

Solution:-

The ages of Rahul and Haroon are in the ratio 5:7

Let Boys present of age = 5x

Girls present of age = 7x

Four years later the sum of their ages will be 56 years. So according to the condition,

⇥ (5x+4) + (7x+4) = 56

⇥ 12x + 8 = 56

⇥ 12x = 56 - 8

⇥ 12x = 48

⇥ x = 48/12

⇥ x = 4

☘ Therefore, the present age of boys =》 5 × 4 = 20years

☘ The present age of girls =》 7 × 4 = 28years

Answer 2

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