in a family 8 adults and some minors the average consumption of rise per head per month is 10.8kg while average consumption for adult is 15 kg per head and minors it is 6 kg per head . the number of minor in the family is.
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Answered by
8
let no of minors be x
thus average consumption = 15*8+6*x /8+x = 10.8
x =7
minors are 7
thus average consumption = 15*8+6*x /8+x = 10.8
x =7
minors are 7
kanu0037:
thanks
Answered by
5
Answer:
In the family, the number of minors are 7.
Step-by-step explanation:
Let the number of minors be x.
There are 8 adults and the consumption of rice per month = 15 kg per head
Consumption of rice on minors per month = 6 kg per head
while the average consumption of rice per month = 10.8 per head
Therefore,
= 120 + 6x = 86.4 + 10.8x
10.8x - 6x = 120 - 86.4
4.8x = 33.6
x =
x = 7
In the family, the number of minors are 7.
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