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2 years ago

14

Jesse found 5 seashells on the beach today. This is 1 less than one-third he found yesterday. Which equation, when solved for x,

gives the number of seashells Jesse found yesterday?

1 answer:

WARRIOR [948]2 years ago

5 0

Answer:

D.x/3-1=5

Step-by-step explanation:

x

3

− 1 = 5

x

3

= 6

x = 18, Jesse found 18 seashells yesterday.

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50 adult tickets and 20 children tickets were sold for the concert.

Step-by-step explanation:

Given,

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Let,

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y be the number of child tickets sold

According to given statement;

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Multiplying Eqn 1 by 5

$5(x+y=70)\\5x+5y=350\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(9x+5y)-(5x+5y)=550-350\\9x+5y-5x-5y=200\\4x=200$

Dividing both sides by 4

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Putting x=50 in Eqn 1

$50+y=70\\y=70-50\\y=20$

50 adult tickets and 20 children tickets were sold for the concert.

Keywords: linear equation, elimination method

Learn more about linear equations at:

#LearnwithBrainly

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