12 quarts − 8 cups = ? cups
1 answer:
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For a square: 
Solve for the length of a side by taking the square root of both sides:
Now we can substitute known values:
Solve for the length of a side by taking the square root of both sides:
Now we can substitute known values:
The total cost of hard drive is $29.96
Step-by-step explanation:
Given,
Original price = $40
Discount = 30%
Discount amount = 30% of $40 =
Discount amount=
Price after discount = Original price - discount amount
Price after discount = 40-12 = $28
Tax rate = 7%
Tax amount = 7% of price after discount
Total cost of hard drive = Price after discount + Tax amount
Total cost of hard drive = 28+1.96 = $29.96
The total cost of hard drive is $29.96
Keywords: subtraction, addition
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