Remit's mother gave him $R s .3 x y^{2}$ and his father gave him $R s 5 (x y^{2} + 2)$ .Out of this total money he spent $R s . (10 - 3 x y^{2})$ on his birthday party. How much money is left with him? [4 MARKS]

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Amount given by mother $= R s . 5 (x y^{2} + 2)$ .

Total amount $= 3 x y^{2} + 5 x y^{2} + 2 = 3 x y^{2} + 5 x y^{2} + 10 = 8 x y^{2} + 10$

Total amount Remit spent $= 10 - 3 x y^{2}$

Amount of money left $= (8 x y^{2} + 10) - (10 - 3 x y^{2}) = 8 x y^{2} + 10 - 10 + 3 x y^{2} = R s . 11 x y^{2}$

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Remit's mother gave him $R s . 3 x y^{2}$ and his father gave him $R s 5 (x y^{2} + 2)$ .Out of this total money, he spent $R s . (10 - 3 x y^{2})$ on his birthday party. How much money is left with him? If $x = 2 a n d y = 3$ find the total amount left with him. [4 MARKS]

Question 84

Rohan's mother gave him Rs. $3 x y^{2}$ and his father gave him Rs. $5 (x y^{2} + 2)$ .Out of this money, he spent Rs. $(10 - 3 x y^{2})$ on his birthday party. How much money is left with him?