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4 years ago

What is the unit price of a quart of milk for $0.89

Mathematics

2 answers:

icang [17]4 years ago

6 0

Answer:

Option C. $3.56 per gallon

Step-by-step explanation:

The unit price of a quart of milk = $0.89

A. 3.56/oz

1 quart = 32 ounce

Now 32 oz milk will cost = $0.89

Therefore,Cost of 1 oz of milk = $\frac{0.89}{32}$

= $0.027 ≠ $3.56 per oz

So incorrect option.

B. $4/lb

1 quart = 2.20 lb

2.20 lb milk will cost = $0.89

Therefore, Cost of 1 lb of milk = $\frac{0.89}{2.20}$

= $0.40 ≠ $4.0 per lb

Therefore, incorrect option.

C. $3.56/gallon

1 quart = 0.25 gallon

0.25 gallon milk will cost = $0.89

Therefore, cost of 1 gallon of milk = $\frac{0.89}{0.25}$

= $3.56

Therefore, this option is the correct option.

D. $3/ half gallon

1 quart = 0.25 gallon

1 gallon milk will cost = $\frac{0.89}{0.25}$

= $3.56

Now half gallon milk will cost = $1.28 ≠ $3 per gallon

Therefore, option C. is the correct option.

ValentinkaMS [17]4 years ago

5 0

.89x4 is 3.56, 4 quarts to a gallon. Answer is D

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A sporting goods store sells right-handed and left-handed baseball gloves. In one month, 12 gloves were sold for a total revenue

stepladder [879]

Answer:

$9$ right-handed gloves and $3$ left-handed gloves were sold.

Step-by-step explanation:

Given: In one month, $12$ gloves were sold for a total revenue of $\$561$ .

right-handed gloves cost $\$45$ and left-handed gloves cost $\$52$ .

To find: How much of each type of gloves did they sell?

Solution: Let they sell $x$ right-handed gloves, and $y$ left-handed gloves.

Now, cost of each right-handed gloves $=\$45$

cost of each left-handed gloves $=\$52$

Total revenue $=\$561$

So, we get

$45x+52y=561\:\:\:...(i)$

Also, in a month $12$ gloves were sold.

So, we get

$x+y=12\:\:\:...(ii)$

Now, from $(ii)$ we get, $x=12-y$ .

Putting $x=12-y$ in equation $(i)$ , we get

$45(12-y)+52y=561$

$\implies 540-45y+52y=561$

$\implies7y=561-540$

$\implies7y=21$

$\implies y=\frac{21}{7}$

$\implies y=3$

Now, putting $y=3$ in equation $(ii)$ , we get

$x+3=12$

$\implies x=12-3$

$\implies x=9$

Hence, $9$ right-handed gloves and $3$ left-handed gloves were sold.

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3 years ago

Which value make the equation 3x-6=36 true

elena-s [515]

Answer:

x=14

Step-by-step explanation:

To solve, we need to isolate the variable (x)

3x-6=36

Add 6 to both sides

3x=42

Divide by 3 on both sides

x=14

14 is the value that make the equation true

Hope this helps! :)

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4 years ago

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Monica [59]

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3 years ago

Suppose an electronics manufacturer takes a sample of 5000 devices produced by an assembly line. Each device is inspected or tes

Deffense [45]

Answer:

DPMO = 40

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Step-by-step explanation:

If there are 40 possible defects in each of the 5,000 devices, the number of defect opportunities is:

$n=5,000*40\\n=200,000\ opportunities$

If 8 total defects were found, the DPMO for the sample is:

$DPMO = \frac{8}{200,000}*1,000,000\\DPMO = 40$

Six Sigma aims to reduce defects to 3.4 Defects Per Million Opportunities, since the DPMO is higher than 3.4, the process does not meet Six Sigma goals.

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3 years ago

A page election results can hold r results. One polling location had 5r+15 results While the second had 3r-4 results Write and s

stiv31 [10]

Answer:

Total number of result at two polling location in a page election is represented by expression 8r + 11.

Solution:

Given that a page election result can hold r result.

Number of result at one polling location = 5r + 15

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Need to write simplified expression for total number of results at two polling location.

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Hence total number of result at two polling location is represented by expression 8r + 11.

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4 years ago