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OverLord2011 [107]
3 years ago
6

Which is the better buy 3 pounds for $8.31 or 5 pounds to $12.95

Mathematics
2 answers:
brilliants [131]3 years ago
6 0

Find the unit rate for each

$8.31/3 pounds= $2.77 per pound

$12.95/5 pounds= $2.59 per pound

Final answer: The second option is better because you are paying less per pound (2.59<2.77).

KatRina [158]3 years ago
3 0

We can find the answer by dividing each price by the amount of pounds and then seeing which number is bigger. Lets try...

8.31/3=2.77

12.95/5=2.59

Since the 12.95 deal allows you to get one pound for just 2.59, that is the better deal.

Hope this helps!

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What is the sum of the exterior angles of a convex polygon?
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Answer:

A

Step-by-step explanation:

The sum of the exterior angles for each polygon is always 360°.

The sum of the interior angles for each polygon is always 180°(n-2).

If you have n-sided convex polygon, then

\left(\text{Sum of all interior angles}\right)+ \left(\text{ Sum of all exterior angles}\right)=180^{\circ}\cdot n

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\left(\text{Sum of all interior angles}\right)+ 180^{\circ}\cdot (n-2)=180^{\circ}\cdot n\\ \\\left(\text{Sum of all interior angles}\right)=180^{\circ}\cdot n-180^{\circ}\cdot (n-2)=180^{\circ}\cdot (n-n+2)=360^{\circ}

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3 years ago
Find the degree of the polynomial below.<br> 9x2 – 25
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3 0
2 years ago
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The height of a tank is 3 meter and volume is 12 million centimeters. find the area of the square base of the tank in square met
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Answer:

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Step-by-step explanation:

8 0
1 year ago
Brianna and let kelci are raising money for a class field trip. Brianna has raised 3 times more money than kelci, but together t
ddd [48]
Let $x be the amount of money which Kelci has raised. <span>Brianna has raised 3 times more money than kelci, then she has raised $3x. Totally both have aised $(x+3x)=$4x.
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Since <span>together they have raised more than $300, then 4x>300,
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x\ \textgreater \  \dfrac{300}{4}.
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7 0
3 years ago
Please help thank you!
Arte-miy333 [17]

Answer:

  • golf: $10
  • batting: $2.50

Step-by-step explanation:

We can write two equations in the two unknowns using the given relations. Let g and b represent the costs of a round of golf and a turn in the batting cage, respectively.

  5g +4b = 60 . . . . . Sylvester's expense

  3g +6b = 45 . . . . . Lin's expense

Dividing the second equation by 3 gives ...

  g +2b = 15   ⇒   2b = 15 -g

Substituting into the first equation, we have ...

  5g +2(2b) = 60

  5g +2(15 -g) = 60 . . . . . substitute for 2b

  3g = 30 . . . . . . . . . subtract 30, collect terms

  g = 10 . . . . . . . divide by 3

__

  2b = 15 -10 = 5 . . . . use the value of g to find b

  b = 2.5 . . . . . . . . divide by 2

Mini golf costs $10 per round; batting cages cost $2.50 per turn.

7 0
2 years ago
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