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Andre45 [30]
3 years ago
14

The owner of a bike shop sells unicycles and bicycles and keeps inventory by counting seats and wheels. On day, she counts 15 se

ats and 22 wheels. The equation representing the total number of seats is u + b = 15 where u is the number of unicycles and b is the number of bicycles.
Mathematics
2 answers:
ycow [4]3 years ago
6 0
Hey there Wcrystasia!!!!! The first thing that you need to realize is what slope-intercept form is. Remember that it is y=mx+b. I always say one variable on the left, while everything else is on the right. After you do that, you need to set up some equations. Seats Each cycle has 1 seat. You know there are 21 seats. So

<span>u+b=21

</span>Manipulate that equation into something that looks like slope-intercept form.

<span>u+b=21

</span><span>u+b−b=21−b

</span><span>u=21−b

</span>Now just rearrange the terms on the right side. You have an answer. If you needed the other equation, it would be set up like

<span><span>u+2b=30

SO the answer is 30 !!!! HOPE I HELPED!!!!!!!!!!!


</span></span>
juin [17]3 years ago
6 0

Answer : u+2b=22 ....

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To solve a system of equations, we can add the two equations and solve for one of the remaining variables -- let's try to eliminate the x variable when we add the two equations together.

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The weights of 40 students were recorded. If the 75th percentile of
RUDIKE [14]
In the given question, there are numerous information's already provided. It is important to note then down first. With the help of those given information's the required answer can be easily reached.
Percentage of students that weighed 140 pounds = 75 percent
Then
Percentage of students that weighed more than 140 pounds = (100 - 75) percent
                                                                                                  = 25 percent
Total number of students that were weighed = 40 students
Total number of students that weighed more than 140 pounds = (25/100) * 40
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                                                                                                    = 10 students
So the number of students that weighed more than 140 pounds is 10. So the correct option in regards to the given question is option "1".
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3 years ago
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