24. Rohan’s mother gave him ₹ 3xy2
and his father gave him ₹ 5(xy2 + 2). Out
of this total money he spent ₹ (10 – 3xy2
) at his birthday party. How much
money is left with him?
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Answered by
1
Rohan’s mother gave him ₹ 3xy2
and his father gave him ₹ 5(xy2 + 2). Out
of this total money he spent ₹ (10 – 3xy2
) at his birthday party. How much
money is left with him?
Answered by
2
Answer:
Given that
Amount given to Rohan by his mother =Rs.3xy
2
Amount given to Rohan by his father =Rs.5(xy
2
+2)
Total amount Rohan have [(3xy
2
)+(5xy
2
+10)]=Rs.(8xy
2
+10)
Total amount spent by Rohan =Rs.(10−3xy
2
)
After spending Rohan have left money
=RS.(8xy
2
+10)−Rs.(10−3xy
2
)
= Rs.(8xy^2 + 3xy^2 + 10−10) = Rs.5xy^2.
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