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Alik [6]
2 years ago
8

A certain brand of coffee comes in two sizes. A 12.3-ounce package costs $2.99 . A 33.9-ounce package costs $8.74 . Find the uni

t price for each size. Then state which size is the better buy based on the unit price. Round your answers to the nearest cent.
Mathematics
2 answers:
aalyn [17]2 years ago
7 0

Answer:

12.3 - 33.9 = 21.6 \div 10 = 2.16

Gekata [30.6K]2 years ago
3 0
Answer is as follows, using A and B for the two package sizes

A) 12.3-ounce package costs $2.99 .
B) 33.9-ounce package costs $8.74 .

Find the unit price for each size.
A) 2.99 / 12.3 = .34 per ounce
B) 8.74 / 33.9 = .26 per ounce

The 33.9 ounce size is the better buy based on the unit price of .26 per ounce
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3 years ago
3x-6<12 step by step equation
Mandarinka [93]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Which of the following is the solution to the inequality below ? -6/5(4-x)&lt;_-4(X+1/2)
LuckyWell [14K]

Answer:

The answer is the option D

x\leq 7/13

Step-by-step explanation:

we have

-\frac{6}{5}(4-x)\leq -4(x+\frac{1}{2})

Multiply by -5 both sides

6(4-x)\geq 20(x+0.5)\\24-6x\geq20x+10\\24-10\geq 20x+6x\\14\geq 26x

Rewrite

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7 0
2 years ago
If n =270 and (p-hat) =0.43, find the margin of error at a 99% confidence level.. give answer to 3 decimals
Troyanec [42]

Answer:

0.078

Step-by-step explanation:

Margin of error = z√(p(1-p)/n)

Given

p-hat = 0.43

n = 270

z at 99% confidence interval = 2.576

Substitute

MOE = 2.576√0.43(1-0.43)/270

MOE = 2.576√0.43*0.57/270

MOE = 2.576√0.2451/270

MOE = 2.576*0.030129

MOE = 0.078

Hence the margin og error is 0.078

7 0
2 years ago
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