Question

If the average income of a family of 'x' members is rs. 25000 while average income of another family of 6 members is rs. 32000, then find the value of 'x' if the average income of both families is rs. 28000

Answer 1

Answer:

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Answer 2

The value of x is 8.

Step-by-step explanation:

Given : If the average income of a family of 'x' members is Rs.25000 while average income of another family of 6 members is rs. 32000.

To find : The value of 'x' if the average income of both families is Rs.28000 ?

Solution :

According to question,

$\dfrac{x\times 25000+6\times 32000}{x+6}=28000$

$25000x+192000=28000(x+6)$

$25000x+192000=28000x+168000$

$28000x-25000x=192000-168000$

$3000x=24000$

$x=\frac{24000}{3000}$

$x=8$

Therefore, the value of x is 8.

#Learn more

Average income of 50 families is rupees 3,000. of these average income of 12 families is rupees 1,800 .find out the average income of the remaining families.

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