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UNO [17]
4 years ago
6

Luis wants to buy a skateboard that usually sells for $79.20. All merchandise is discounted by 12%. What is the total cost of th

e skateboard if Luis has to pay a state sales tax of 7.25%. Round your intermediate calculations and answer to the nearest cent.
Mathematics
1 answer:
Contact [7]4 years ago
5 0

Answer:

$74.75

Step-by-step explanation:

When it comes to tax, the sales tax is applied <em>after</em> the discount is provided by the store, as long as it is something like a direct store coupon or a discounted price. In this case, it is a discounted price by the store, so we will include sales tax after.

$79.20 after a 12% discount becomes $69.70 (or $69.696).

The state tax applies to this new price.

7.25% of $69.70 is $74.75

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3 years ago
pam deposited $6,900 in a savings account with simple interest. Four months later she had earned $23 in interest. What was the i
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Step-by-step explanation:

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P-the initial amount or principal

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6923=6900(1+r(0.33))\\6923=6900(1+0.33r)\\\frac{6923}{6900} =\frac{6900(1+0.33r)}{6900} \\1.0033=1+0.33r\\1.0033-1=1-1+0.33r\\0.0033=0.33r

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5 0
3 years ago
Avery is in the business of manufacturing phones. She must pay a daily fixed cost to
tangare [24]

Answer:

The equation that represents the total cost in dollars is C = 100p + 300

Step-by-step explanation:

The form of the linear equation is y = m x + b, where

  • m is the slope ⇒ rate of change
  • b is the y-intercept ⇒ fixed amount

∵ Avery must pay a daily fixed cost to  rent the building and equipment

∴ There is a fixed amount b

∵ She pays a cost per phone produced for  materials and labor

∴ There is a rate m

∵ C represents the total cost of producing p phones in dollars

→ Form the linear equation for the situation

∴ The equation is C = m p + b

∵ The labor and materials cost $100 for each phone

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→ Substitute it in the equation above

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∵ The cost of producing 3 phones in a day would be $600

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→ Substitute them in the equation above to find b

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→ Substitute it in the equation

∴ C = 100p + 300

∴ The equation that represents the total cost in dollars is C = 100p + 300

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3 years ago
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