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Jobisdone [24]
3 years ago
11

Andrea wants to deposit money into a bank account that earns 4.5% simple interest. Use the formula l=Prt to find the ammount of

money that she should deposit so that she earns $2800 after 4.5 years. Show and explain your work.
Mathematics
1 answer:
AlladinOne [14]3 years ago
4 0
The formula is
I=prt
I interest earned 2800
P amount deposited. ?
R interest rate 0.045
T time 4.5 years
Solve the formula for p by dividing both sides by rt to get
P=I/rt
P=2,800÷(0.045×4.5)
P=13,827.16 round your answer to get 13827

Hope it helps!
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3 years ago
Latanya and George
tekilochka [14]

Question is Incomplete, Complete question is given below.

Latanya and George are saving up money because they both want to buy new bicycles. Latanya opened a savings account with $50. She just got a job and is determined to save an additional $30 a week. George started a savings account with $75. He is able to save $25 a week. Find the time (in weeks) when Latanya and George will have the same amount of money in their savings accounts.

Answer:

Latanya and George will have same amount after 5 weeks.

Step-by-step explanation:

Given:

Opening Amount in account of Latanya = $50

Amount deposited every week = $30

Let number of week be 'w'.

Total Amount in Latanya  savings account will be equal to Opening Amount plus Amount deposited every week multiplied by number of week.

framing in equation form we get;

Total Amount in Latanya  savings account = 50+30w

Also Given:

Opening Amount in account of George = $75

Amount deposited every week = $25

Let number of week be 'w'.

Total Amount in George  savings account will be equal to Opening Amount plus Amount deposited every week multiplied by number of week.

framing in equation form we get;

Total Amount in George savings account = 75+25w

Now we need to number of week when both will have same amount.

Now to find number of week when both will have same amount we need to make both the equation same we get;

50+30w = 75+25w\\\\30w-25w = 75-50\\\\5w=25\\\\w=\frac{25}{5}=5

Hence Latanya and George will have same amount after 5 weeks.

8 0
3 years ago
A new car has a sticker price of $23,750, while the invoice price paid on it was $22,950. what is the percentage markup?
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3 years ago
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Answer:

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Step-by-step explanation:

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4 0
3 years ago
P+n=131p+3.26n=248.52
FromTheMoon [43]

Answer

Solution:

p = 79

n = 52

Step-by-step explanation:

Given equations:

A) p+n=131

B) p+3.26n=248.52

To solve for  p and n

Naming the first equation as A and second as B.

Using elimination method to solve.

In order to eliminate p we subtract equation A from B.

Subtracting A from B i.e [B-A

  (B) p+3.26n=248.52  

- (A)  p+n=131

We get,  3.26n-n=248.52-131

2.26n=117.52

Dividing both sides 2.26.

\frac{2.26n}{2.26}=\frac{117.52}{2.26}

∴ n=52

We can solve for p by substituting n=52 in equation A.

p+52=131

Subtracting both sides by 52.

p+52-52=131-52

∴ p=79

7 0
3 years ago
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