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skelet666 [1.2K]
3 years ago
14

Andrea has four times the number of marbles that Jennifer has. If x equals the number of marbles that Jennifer has, which expres

sion represents the number of marbles that Andrea has?
Mathematics
1 answer:
sasho [114]3 years ago
7 0

Answer:

Number of marbles Andrea has can be expressed as =4x marbles

Step-by-step explanation:

Given:

Number of marbles Jennifer has = x marbles

Andrea has 4 times the number of marbles that Jennifer has.

∴ Number of marbles Andrea has can be expressed as = 4\times x=4x marbles

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Anna007 [38]

Answer:

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Step-by-step explanation:

Loan payment per month=Amount to pay÷discount factor

Mathematically  P=A÷D

where D is the discount factor calculated using the formula;

\frac{(1+i)^n-1}{i(1+i)^n}

where i=periodic interest rate=annual rate divided by number of payment periods

A is the amount to pay after downpayment

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n=number of periodic payments=payments per year times number of years

⇒In this question you find the discount factor then divide the amount remaining to pay with the discount factor to get monthly payments

Given;

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Down payment=$14000

Loan to pay=$32000-$14000=$18000

Annual rate=5.5%=i=5.5%÷12=0.458%⇒0.00458

Periodic payments, n=4×12=48

Finding the discount factor D;

D=\frac{(1+i)^n-1}{i(1+i)^n} \\\\\\D=\frac{(1+0.00458)^{48} -1}{0.00458(1+0.00458)^{48} } \\\\\\D=\frac{1.2455-1}{0.005703} \\\\\\D=\frac{0.2455}{0.005703} =43.05

To get the amount to pay monthly divide the loan to pay with the discount factor

=\frac{18000}{43.05} =418.14

Monthly payments=$418.14

Total amount will be=down payment + 48×$418.14

$14000+$20070.84=$34070.84

8 0
3 years ago
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Answer:

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3 years ago
Read 2 more answers
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