Patricia invested $24 500 in three unit trusts. She divided the money into three different unit trust accounts, P, Q and R. At the end of the year, she obtained a profit of $1 300. The annual dividends for the accounts are 4%, 5.5% and 6% respectively. The final amount of money in account P is four times that in account Q. How much money did she invest in each unit trust account? Chapter :Linear equations in three variable
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