SOLUTION: After a drought, a village landlord decided to open the greenery for the villages. The distribution pattern was that in a family the youngest member get 2kg and in older to age mem

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Question 1011418: After a drought, a village landlord decided to open the greenery for the villages. The distribution pattern was that in a family the youngest member get 2kg and in older to age member younger to him 1.5 more.
1- If a family received 87.5kg. How many members of their family.
2- What values are shown in the question?

Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
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After a drought, a village landlord decided to open the greenery for the villages. The distribution pattern was that in a family the youngest member get 2kg and in older to age member younger to him 1.5 more.
1- If a family received 87.5kg. How many members of their family.
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It is the sum of an arithmetic progression with the first term 2, the common difference 1.5 
and an unknown number of terms n.


%282+%2B+%28%28n-1%29%2A1.5%29%2F2%29%2An = 87.5.

Solve it for n. Can you make it yourself?