Final answer:
To find Bipina's initial amount of money, subtract the amount she spent from the amount she has left and solve the equation.
Step-by-step explanation:
To find out Bipina's initial amount of money, we need to subtract the amount she spent from the amount she has left. Let's say she spent x amount of money on her birthday. After spending, she has Rs 1500 left. So, the equation would be: x - 1500 = initial amount of money. We can solve this equation to find the initial amount of money.
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