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choli [55]
3 years ago
11

What is the total cost of two dozen erasers that are priced at 50 cent each if 8%sales tax is added.

Mathematics
1 answer:
Dahasolnce [82]3 years ago
3 0
Let's translate this question into a formula:

Total cost = (unit price of the eraser) (number of erasers purchased) 

Final total cost = (Total cost) * 1.08 = ?

Why?  The Final Total Cost = Cost of the erasers   +   (Cost of the erasers)(sales tax rate)

Final total cost = 1.08 (Total Cost)
Final total cost = 1.08 ($0.50)(24)    (since 1 dozen = 12, and 2 dozen = 24)
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Given:  <span>2x-y-3=0.
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(2;-1)koord of direction vector (i`m not know how it is called at you, because i'm from russia)</span><span>
=> (x-0)/2=(y-4)/-1 (</span>canonical <span>equation)
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3 years ago
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