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Mathematics of Investment (Math 4c) 1. A hog raiser can sell 100 pigs of average weight of 80 kilograms each at profit of P1 per kg if sold immediately. Past experience had taught him that for every one week delay in selling the pigs, his pigs shall gain 920 grams per week per pig. Meantime, profit shall also decrease by 10 centavos per week. Now, the hog raiser wishes to find out the number of weeks he may delay selling yet realizing the same original profit. 2. A retailer bought some bags for P20,000. At the end of the month, he was able to sell all except 10 units at a profit margin of 25%. With the sales revenue he was able to increase his original inventory of bags by 20 additional units. How may bags were originally bought? 3. A real estate broker knows that an industrial firm is willing to pay P210,000 for a choice piece of land for building a new plant. How much should the broker pay the owner of the land if he wants to make a 5% commission on the owners selling price? 4. A man wants to invest P200,000 on two accounts; the regular savings account at 3.5% simple interest and a time deposit account at 8% simple interest. If he wants to double his money at the end of 10 yrs. how should he divide his money? 5. A publisher spends P5000 to prepare a booklet and make the plates for printing it. He also pays P500 for each 100 copies printed. If the booklet sells for P10 a copy how many copies must the publisher sell before making a profit? 6. A bus chartered for a tour at a cost of P24000. When 4 additional people join the tour, the fare per person is decreased by P200. How many people were originally going to charter the bus?

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2. sorry - we can't help you with yor homework have you actually even read your textbook? read it again - several times