1.

assume there are four families in country the average person capita income of these families isRs5000 if the income of three families is Rs4000,Rs7000andRs3000 respectively what is the income of fourth family​

Answer»

ANSWER:

Rs.6000

Explanation:  Let the per capita income of the FOURTH family be x.

Avg. per capita income = Rs.5000

Or

Avg. per capita income =

sum of per capita income of all 4 families / no. of families

So:

4000+7000+3000+x / 4 =5000

14000 + x = 20,000

x = 20,000 - 14000

x = 6000

Therefore the per capita income of the fourth family is Rs.6000.            

HOPE this HELPS!

Have a GREAT day!                                  



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