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Mathematics
26.02.2021 22:34
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grandpa hill has a bag of coins the bag contains 5 silver dollars, 6 quarters 2

grandpa hill has a bag of coins the bag contains 5 silver dollars, 6 quarters 2 dimes and 2 nickels. he is going to let his grandaughter laynee randomly select and keep 2 coins from the bag one at a time without replacement. what is the probability that laynee will select a silver dollor both time?
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iselloutt4fun
iselloutt4fun
5,0(41 marks)

10625

Step-by-step explanation:

Let x= the amount loaned at 7%

which means that the amount loaned at 15% is 19000-x (or the rest of the money)

we can write the following equation

x*.07+(19000-x)(.15)=2000

solve for x

.07x+2850-.15x=2000

-.08x= -850

x=10625

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