3 years ago

Mike had 182 dollars to spend on 9 books after buying them he had 11 dollars how much did each book cost

Mathematics

2 answers:

disa [49]3 years ago

8 0

Each book costs 19 dollars.

ahrayia [7]3 years ago

5 0

19 each because 182 -11 =171 and 171 divided nine equals 19

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Answer:

Following are the solution to this question:

Step-by-step explanation:

Using formula:

$\text{Simple Interest} = \frac{P \times R \times T}{100} \\\\\text{ Total amount} = \text{principle}+ \text{Simple Interest}$

In question (1):

$Principle= \$ 600\\Rate = \ 8 \%\\Time= \ 5$

In point a:

$\to \frac{P \times R \times T}{100} \\\\\to \frac{(600 \times 8 \times 5)}{100}\\\\ \to 240$

In point b:

$\to amount = principle \ +\ simple \ interest$

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In question (2):

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In point a:

$\to \frac{P \times R \times T}{100} \\\\\to \frac{(12,450 \times 7.25 \times 6)}{100}\\\\ \to 5,415.75$

In point b:

$\to amount = principle \ +\ simple \ interest$

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