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Rina8888 [55]
3 years ago
13

An 11 lb turkey cost $15.00 while the 16 lb turkey is on sale for $20.00. How much would you save with the sale price? Please sh

ow work.
Mathematics
1 answer:
lidiya [134]3 years ago
3 0
Find the base price per pound, $15/11, or $1.36 = 1lb, then multiply it by 16, 16 x 1.36 = $21.82. Now just subtract $20 from $21.82 = $1.82. So, You would save, on average, $1.82 by buying the sale.
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Estimate the solution to the system of Equations
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Answer:

Answer letter D

Step-by-step explanation:

-3x + 3y = 9

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Let's start by simplifying both equations:

-3x + 3y = 9 (divide everything by 3)

2x - 7y = -14 (divide everything by 2)

We will then have:

-x + y = 3

x - \frac{7}{2}y = - 7

Then we sum both equations, eliminating x and isolating y to find its value!

y + (- \frac{7}{2}y) = 3 + (- 7)

\frac{2}{2}y + (- \frac{7}{2}y) = - 4

Summing the fractions of y we have

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Now we substitute y in one of the previous equations to find x:

-3x + 3 × ( \frac{8}{5\\} ) = 9

-3x + \frac{24}{5\\} = 9

-3x = 9 - \frac{24}{5}

-3x = \frac{45}{5} - \frac{24}{5}

-3x = \frac{21}{5}

x = \frac{21}{5} ÷ -3 (this is tricky, but it's the same as \frac{21}{5} × -\frac{1}{3} )

x = - \frac{7}{5} .: x = - 1 \frac{2}{5}(finally found x!)

Bringing everything together we have:

x = - 1 \frac{2}{5}

y = 1 \frac{3}{5}

I hope it helps :)

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