Rohan’s mother gave him Rs. 3xy2 and his father gave him Rs. 5(xy2�

1.	Rohan’s mother gave him Rs. 3xy2 and his father gave him Rs. 5(xy2 + 2). Out of this money he spent Rs. (10 – 3xy2) on his birthday party. How much money is left with him?
Answer» Given, amount given to Rohan by his mother =Rs. 3xy² and amount given to Rohan by his father =Rs. 5(xy² + 2) ∴ Total amount Rohan have = [(3xy²)+(5xy² + 10)] = Rs. [3xy² + 5xy² + 10] = Rs. (8xy² + 10) Total amount spent by Rohan =Rs. (10 – 3xy²) ∴After spending, Rohan have left money

Rohan’s mother gave him Rs. 3xy2 and his father gave him Rs. 5(xy2 + 2). Out of this money he spent Rs. (10 – 3xy2) on his birthday party. How much money is left with him?

Answer»

Given, amount given to Rohan by his mother =Rs. 3xy² and amount given to Rohan by his father =Rs. 5(xy² + 2)

∴ Total amount Rohan have = [(3xy²)+(5xy² + 10)]

= Rs. [3xy² + 5xy² + 10]

= Rs. (8xy² + 10)

Total amount spent by Rohan =Rs. (10 – 3xy²)

∴After spending, Rohan have left money