Question

Mahesh’s mother gave him Rs. 7xy2 and his father gave him Rs. 2(xy2 + 2). Out of this total money he spent Rs. (10 – 4xy2 ) on his birthday party. How much money is left with him?

Answer 1

Answer:

11 xy2

Step-by-step explanation:

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Answer 2

Answer:

Given:-

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$\sf Amount \:Given\: by \:Mother \:=\: \underline{3xy^{2}}\\\\ \sf \: Amount \: Given \: by \: Father \: = \bf\underline{5xy^{2} +2}$

$\sf \: Amount \: Spent \: by \: Rohan \: = \underline{ \bf \: Rs. \: 10-3xy^{2}}$

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To Find:-

• Amount left with Rohan.

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Solution:-

• According to the question,

$\sf \: Total \: money \: Rohan \: got \: = \: 3xy^{2} +5xy^{2} +10\\ \\ \longrightarrow \underline{\boxed{ \purple{\sf \: 8xy^{2} +10}}}$

• Now,

$\sf \: Money \: spent \: by \: Rohan \: = 10-3xy^{2}$

• Therefore,

$\\ \sf \: Money \: left \: with \: Rohan \: = \: 8xy^{2} +10 -(10-3xy^{2} ) \\ \\ \sf \: \longrightarrow 8xy^{2} +10-10+3xy^{2}\\ \\ : \sf \: \longrightarrow \underline{\boxed{ \purple{\sf \:\: 11 \: xy^{2} \: }}}$

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Thus, Rs. 11xy² is left with Rohan

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