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3 years ago

12

Barry has 64 butterflies in his collection. He gave half of them to his sister and 12 to his brother. How many butterflies does

Barry have left in his collection?

2 answers:

Soloha48 [4]3 years ago

6 0

Half of 64 = 32
32 + 12 = 44
64 - 44 = 20
Barry has 20 butterflies left!

kotykmax [81]3 years ago

5 0

64/2=32-12=20 Barry has 20 butterflies left in his collection

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The price of one vegetarian special lunch is $7 and price of one chicken special lunch is $8.

Step-by-step explanation:

Let,

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Price of one chicken special lunch = y

According to given statement;

21x+40y=467 Eqn 1

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Multiplying Eqn 1 by 28

$28(21x+40y=467)\\588x+1120y=13076\ \ \ Eqn\ 3$

Multiplying Eqn 2 by 21

$21(28x+36y=484)\\588x+756y=10164\ \ \ Eqn\ 4$

Subtracting Eqn 4 from Eqn 3

$(588x+1120y)-(588x+756y)=13076-10164\\588x+1120y-588x-756y=2912\\364y=2912$

Dividing both sides by 364

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Putting y=8 in Eqn 1

$21x+40(8)=467\\21x+320=467\\21x=467-320\\21x=147$

Dividing both sides by 21

$\frac{21x}{21}=\frac{147}{21}\\x=7$

The price of one vegetarian special lunch is $7 and price of one chicken special lunch is $8.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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which is not a result of multiplying the height of a rectangular prism by a scale factor of 1/2 and I need work to

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