Answer: The number of girls in the auditorium is represented by the algebraic expression y=(4x +72) /5
Step-by-step explanation:
Hi, to answer this question we have to analyze the information given:
- <em>Number of boys added: 18
</em>
- <em>Ratio of boys to girls: 5:4
</em>
So, the total number of boys is:
x + 18
Number of girls = y
Number of boys / number of girls = 5/4
(x+18) /y = 5/4
Solving for "y"
4 (x +18) =5 y
4x +72 = 5y
(4x +72) /5 = y
The number of girls in the auditorium is represented by the algebraic expression y=(4x +72) /5
1 and 2 are equations and 3 is a solution
Answer:
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Step-by-step explanation:
adore you-
Manny can assemble a computer in 50 minutes. That means, in a minute Manny does
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job.
Lucy can assemble a computer in 45 minutes. That means, in a minute Lucy does
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job.
If they are working together, in a minute they will do:
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

In a minute they will do
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job
To finish the job they will do it in
minutes or about 24 minutes.
Bare with me a minute, I am still trying to figure it out. Here is what I have so far.