Shyam invested money in the stock market. in the first year, his stock increased 20%. he paid his stock broker $300 and then lost $450. he withdrew $500, and then his remaining investment doubled. shyam’s investment is now worth $7100. how much was shyam’s original investment?

Shyam's original investment was $4000.

Step-by-step explanation:

Suppose, Shyam's original investment was   dollar.

In the first year, his stock increased 20%. So, the value of the stock will be: dollar.

He paid his stock broker $300 and then lost $450. So now, the value of the stock will be:   dollar.

He then withdrew $500, so the value of the remaining investment dollar and this remaining investment doubled now.

So, the value of the investment now dollar, which is given as $7100.

Thus, the equation will be.......

So, Shyam's original investment was $4000.

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