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tekilochka [14]
3 years ago
6

Aiden currently has a balance of $4,443.48 in an account he has held for 17 years. He opened the account with an initial deposit

of $2,567. What is the simple interest rate on the account?
Mathematics
1 answer:
Stella [2.4K]3 years ago
5 0
First calculate the interest earned by subtracting the initial deposite from the current balance
4,443.48−2,567=1,876.48

Now use the formula of the simple interest which is
I=prt
I interest earned 1876.48
P principle 2567
R interest rate?
T time 17 years
Solve the formula for r to get
R=I/pt
R=1,876.48÷(2,567×17)
R=0.043×100
R=4.3%

Hope it helps!
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Svetllana [295]

Answer:

12

Step-by-step explanation:

There are 2 yellow out of 10.

2/10 = 1/5

1/5 of the total number is yellow.

1/5 of 60 =

= 1/5 * 60

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Answer: 12

7 0
3 years ago
a parking meter accepts only 20p coins or 50p coins.On one day, 39 coins were collected with a total value of $11.40. find how m
Snowcat [4.5K]

Answer:

x + Y = 39 or x = 39-y

20x + 50y = 1.40

20 (39 - y) + 50y = 11.40

7.80 - 20y + 50y = 11.40

30y = 11.40 - 7.80

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x = 39 - 12 = 27 20p coins were collected.

Proof:

20*27 + 50*12 = 11.40

5.40 + 6 = 11.40

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I hope it helps.

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Answer:

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