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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Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −