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borishaifa [10]
3 years ago
5

Mustafa buys a book that costs $12.50 if the sales tax is 8% what is the total cost of the book

Mathematics
2 answers:
wariber [46]3 years ago
7 0
The total cost of the book would be:

12.50* 0.8= 10

The total cost of the book would be $10.00
stealth61 [152]3 years ago
4 0
If the book is $12.50 with tax of 8%, the total cost of the book will be the sum of the 2 numbers.

8% of 12.50 is
.08 × 12.50 = 1.00

add 12.50 + 1.00 for a total cost of

$13.50
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Many calculators have a key that will do this in one step. Mine is one of them. So let's start with the answer and then we'll do it the long way.

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3*4*7 = 84 which is what you set out to show.


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3 years ago
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