Let us look at the OHaganBooks.com stock first: You pruchased x shares at $50 each, costing you a total of $50x. Since the stocks apprreaciated by 20%, the profit earned is 20% of the purchase price, or
Similarly, the FarmersBooks.com shares cost you 45y, and appreciated by 10%, or
Finally, the JungleBooks.com shares cost you 30z, and appreciated by 10%, or
Adding all the progits together gives:
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