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2 years ago

R560 invested at 8% p.a. simple interest for 3 years

Mathematics

2 answers:

alexdok [17]2 years ago

4 0

Answer:

R 694.4

Explanation:

simple interest = $\sf{\dfrac{PRT}{100}$ → $\sf \dfrac{560*8*3}{100}$ → R 134.4

where p refers to principal, r refers to rate, t refers to time.

total money:

invested money + simple interest

R 134.4 + R 560 → R 694.4

Otrada [13]2 years ago

3 0

Answer:

R 694.40

Step-by-step explanation:

Simple interest formula:

A = P(1 + rt)

where A is the final amount, P is the initial principal balance, r is the annual interest rate (in decimal format), and t is time (in years)

Given:

P = 560
r = 8% = 0.08
t = 3

⇒ A = 560(1 + 0.08 · 3)

⇒ A = 560(1.24)

⇒ A = 694.40

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Answer:

1) No

2) Yes

Step-by-step explanation:

Given : If it took Carlos 30 minutes to cycle from his house to the library yesterday.

To find : Was the distance that he cycled greater than 6 miles?

Solution :

The relation between speed , distance and time is

$\text{Distance}=\text{Speed}\times \text{Time}$

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Converting into seconds, $t=30\times 60$

The distance he covered is

$\text{Distance}=\frac{16}{5280}\times30\times 60$

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Time = 30 minute

Converting into seconds, $t=30\times 60$

The distance he covered is

$\text{Distance}=\frac{18}{5280}\times30\times 60$

$\text{Distance}=6.13\text{ miles}$

Yes, the distance that he cycled is greater than 6 miles.

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R560 invested at 8% p.a. simple interest for 3 years​

R560 invested at 8% p.a. simple interest for 3 years