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Sever21 [200]
4 years ago
10

the price of a 14 oz box of crackers is $2.94. the price of a 20 oz box is $3.60. what is the difference in price per ounce ?​

Mathematics
2 answers:
Solnce55 [7]4 years ago
8 0

Let D = difference in price per ounce

D = 2.94 ÷ 14 - 3.60 ÷ 20

D = 0.21 - 0.18

D = 0.03 or 3 cents.

solong [7]4 years ago
4 0

Answer:

The difference in price per ounce of the boxes is $0.03 or 3 cents.

Step-by-step explanation:

Divide each dollar amount by the ounces. The answer to $2.94 divided by 14 is 21 cents. $3.60 divided by 20 is 18 cents. Subtract 18 cents from 21 cents to get 3 cents.

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A bus can hold 42 students
dsp73

Answer:

10, there will be 20 left open

Step-by-step explanation:

if each bus holds 42 students and there are 400 going then you need to divide 400 by 42, and then round up, to find how many seats will be left open, you take the answer and then multiply it by 42 and then subtract 400.

sorry for not putting my work last time.

8 0
4 years ago
Mike forgot to replace the cap on a bottle of room freshener. The room freshener began to evaporate at the rate of 15% per day.
riadik2000 [5.3K]
Percentages are out of 100. So we'll multiply by 0.85 to represent the 15%

To find the y points on the graph we can use f(x) = 0.85^x*40

We'll input 1-5 for x to find y:

1:  0.85^1=0.85*40=34
2: 0.85^2=0.7225*40=28.9
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8 0
3 years ago
Solve: The width of a rectangle is 4 less than the length. The area is 10 ft. Find the width.
garri49 [273]

This is pretty straight forward.

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Second the length is an unknown and since we are doing algebra lets call it x

Finally the width is 4 less than the width which is (x-4) units....x will be in meters and the width is 4 meters less then the length.

Putting it together we have x(x-4) = 117 m^2

then

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one could use the solution for the quadratic or one could plug in a few numbers as test for the length

10 by 10 is 100 square meters

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13 by 9 is 117 square meters....x is 13 and x-4 is 9

I used approximation once I had determined the relationship between the area of the rectangle and the perimeter of the rectangle

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3 years ago
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Alexxandr [17]

Answer:

X-intercept is 5

Step-by-step explanation:

find the x-intercept let y=0

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x=5

5 0
3 years ago
Are the terms 1a and 1b like terms?
Anettt [7]
Well, they are ALIKE, but since a and b are different the terms are different. Hope this helped.
3 0
3 years ago
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