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Byju's Answer
Standard XII
Mathematics
Consistency of Linear System of Equations
The cost of t...
Question
The cost of the milk per litre is
15
. Draw the graph for the relation between the quantity and cost. Hence find :
i) the proportionality constant.
ii) the cost of
3
litres of milk.
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Solution
Let
x
de
642073_605178_ans_5f2e84439f394cfe9bed4358e7b80a5f
notes Quantity of milk (in litre)
Y
denotes the cost of milk (in Rs.)
x
1
2
3
4
5
6
7
y
15
30
45
60
75
90
105
The proportionality constant
K
=
15
The cost of
3
litres of milk
=
45
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