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dedylja [7]
3 years ago
5

Greg needs to buy plastic spoons. Brand A has a box of 25 spoons for $1.99 . Brand B has a box of 42 spoons for $3.89 . Find the

unit price for each brand. Then state which brand is the better buy based on the unit price. Round your answers to the nearest cent.
Mathematics
2 answers:
Helga [31]3 years ago
8 0
To find the price per spoon of brand A, divide the cost by the amount of spoons:

1.99 / 25 = 0.0796

Repeat this process for brand B:

3.89 / 42 = 0.0926

Brand A, at $0.08 a unit, is the better buy of brands A and B.

Hope this helps.
iVinArrow [24]3 years ago
6 0

Answer:

Brand B is the better buy based on the unit price.

Step-by-step explanation:

Given : Greg needs to buy plastic spoons.

To find : The unit price for each brand. Then state which brand is the better buy based on the unit price ?

Solution :

Unit price is the price for a single unit of measure of a product.

1) Brand A has a box of 25 spoons for $1.99.

So, 25 spoon cost $1.99.

1 spoon cost is \frac{1.99}{25}

1 spoon cost is $0.0796.

Round to the nearest cent - $0.08.

2) Brand B has a box of 42 spoons for $3.89.

So, 42 spoon cost $3.89.

1 spoon cost is \frac{3.89}{42}

1 spoon cost is $0.0926.

Round to the nearest cent - $0.09.

As 0.09 > 0.08

So, brand B is the better buy based on the unit price.

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Otrada [13]

Answer:

 $4.37 cash outlay

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Step-by-step explanation:

The discount was ...

  0.15 × $32.30 = $4.845 ≈ $4.85

So the price to which tax is added is ...

  $32.30 -4.85 = $27.45

The amount of tax is 7% of this value, or ...

  tax = $27.45 × 0.07 = $1.9215 ≈ $1.92

So, payment is made on the amount ...

  $27.45 + 1.92 = $29.37

$29.37 is the total amount paid.

If $25 is paid using a gift card, then the cash outlay is $4.37.

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Usually only a single coupon can be applied to a given purchase. Since the 15% store discount exceeds the amount of the 5% coupon left at home, it makes more sense to claim the 15% store discount and save the 5% coupon for another time.

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<em>Alternate interpretation</em>

If, by some magic, both discounts could be applied, then the amount to be paid is $27.65, of which $2.65 exceeds the gift card amount. The calculation proceeds the same way, except that 20% is used instead of 15%.

4 0
3 years ago
Help fill in the blanks no
DerKrebs [107]

Answer:

Here is the full proof:

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BC ⊥ AB                    Given

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7 0
2 years ago
write the product of the expression 5^4 * 5^-7 using a positive exponent, then write the product using a negative exponent
pav-90 [236]

Answer with positive exponent = \left(\frac{1}{5}\right)^3 or  \frac{1}{5^3}

Answer with negative exponent = 5^{-3}

===========================================================

Explanation:

The rule we use is

a^b*a^c = a^{b+c}

If we multiply two exponential expressions with the same base, then we add the exponents.

The base for each is 5. The exponents 4 and -7 add to -3.

This means

5^4*5^{-7} = 5^{4+(-7)} = 5^{-3}

To convert to a positive exponent, we apply the reciprocal to the base. We go from 5, aka 5/1, to 1/5.

So, 5^{-3} = \left(\frac{1}{5}\right)^3 = \frac{1^3}{5^3} = \frac{1}{5^3}

3 0
2 years ago
DIRECTIONS: Use this information to answer Parts A, B, and C.
Talja [164]

Answer:

V=706.85

Step-by-step explanation:

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And put the plugged in formula in your calculator and you'll find the answer!

V=706.85

I hope this helped.

3 0
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