133 adult tickets were sold.
Step-by-step explanation:
Given,
Total tickets sold for school play = 399
Let,
x represent the number of children tickets sold.
y represent the number of adult tickets sold.
According to given statement;
x+y=399 Eqn 1
x = 2y Eqn 2
Putting value of x from Eqn 2 in Eqn 1

Dividing both sides by 3

133 adult tickets were sold.
Keywords: linear equation, substitution method
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The volume of a rectangular prism is represented by the following equation:

where w is the width , l is the length, and h is the height
Replace
with
since the length is tripled


From this, we see that this new volume is 3x larger than the original. Thus, the volume is tripled when its length is tripled.
Let me know if you need any clarifications, thanks!
The algebraic expression is:
And Value of x is: 
Step-by-step explanation:
We need to write the expression of the statement:
Eight times the sum of a number and 4 equals 3
Let the number = x
The expression will be:

Solving the expression to find value of x:

So, The algebraic expression is:
And Value of x is: 
Keywords: Algebraic Expression
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Answer:
vbvcfvbnbvcxcvbnvcxvbnmbvcvbvfdfgbhnbgvfgvbnbgfghbnbgvfgvbnbgfgbngfgbgfgfgfgfgfgfgfgfgfgfgrrrdrd
Step-by-step explanation: