5. Veena gets pocket money of 50 in the first
month. Her pocket money is raised by * 5 every
month. Draw a graph to show her pocket money
for 1 year.
(a) On the graph, show what her pocket money
will be in the 5th month.
(b) Which month will she get pocket money of
* 85?
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Answer:
Answer
Let monthly pocket money of Ravi be 5x and Sanjeev be 7x.
7x−80
5x−80
=
5
3
⇒25x−400=21x−240
∴4x=160
∴x=40
Ravi pocket money =5×40= Rs. 200
Sanjeev pocket money =7×40= Rs. 280
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