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3 years ago

I have c candies, and my sister has twice as many. Together we have 27 candies. How many candies do I have?

Mathematics

2 answers:

maks197457 [2]3 years ago

8 0

Answer:

i think the answer would be 27 times two then you didved and find answer Hopes This work?

Step-by-step explanation:

I think so because it just makes since

Marianna [84]3 years ago

3 0

Answer:

You have 9 candies.

Step-by-step explanation:

This is correct because if you have 9 candies, and your sister has twice as many (18), you would get 27 candies in total if you add them together.

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ikadub [295]

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PtichkaEL [24]

Answer:

$9 and $7

Step-by-step explanation:

The first equation:

x + 2y = 23

The second equation:

2x + 3y = 39

Convert to slope-intercept form:

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The graph is attached

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Margarita [4]

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Step-by-step explanation:

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3 years ago

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What is the best way to Solve: 25 – 5x = 80

Art [367]

25 - 5x = 80
+ 5x + 5x

25 = 5x + 80
- 80 -80

-55 = 5x

-55/5 = 11

x = 11

Hope I helped!

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3 years ago

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How do I start This?

pav-90 [236]

$\bf \begin{array}{lccclll}
&\stackrel{lbs}{amount}&\stackrel{unit}{cost}&\stackrel{total}{value}\\
&------&------&------\\
Raisins&11&2.30&25.3\\
Peanuts&p&4.50&4.5p\\
------&------&------&------\\
mixture&m&3.29&3.29m
\end{array}$

we know that, the mixture amount is the sum of 11 + p, or 11 + p = m.

we also know that, the total value is also a sum of 25.3 + 4.5p = 3.29m.

$\bf \begin{cases}
11+p=\boxed{m}\\
25.3+4.5p=3.29m\\
----------\\
25.3+4.5p=3.29\left( \boxed{11+p} \right)
\end{cases}
\\\\\\
25.3+4.5p=36.19+3.29p\implies 1.21p=10.89\implies p=\cfrac{10.89}{1.21}
\\\\\\
p=\stackrel{lbs}{9}$

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