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AysviL [449]
3 years ago
9

At the movie theatre, child admission is $5.70 and adult admission is $9.75 . On Friday, 173 tickets were sold for a total sales

of 1306.10 . How many child tickets were sold that day?
Mathematics
1 answer:
storchak [24]3 years ago
7 0

Answer: 94 child tickets

<u>Step-by-step explanation:</u>

Let x represent child tickets

Let y represent adult tickets

Cost Equation: 5.70x + 9.75y = 1306.10

Quantity Equation: x + y = 173

Solve the system of equations using the elimination method:

Multiply the Quantity Equation by -5.70

      5.70x + 9.75y = 1306.10

    <u> -5.70x  - 5.70y</u> = <u>-986.10</u>

                    4.05y = 320.00

                  <u> ÷4.05 </u>   <u>÷4.05    </u>

                           y =   79

x +  y  = 173

x + 79 = 173

x         = 94

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Maggie needs to spend at least six hours each week practicing the piano. She has already practiced three and one fourth hours th
Allisa [31]

Answer:

3 1/4 + 2x ≥ 6

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Let X equal the remaining time she needs to practice.

You would have 2x

The combined total needs to be 6 hours or greater.

You need to add the amount she already practiced to 2x.

Now you have: three and one fourth + 2x

This needs to be greater than or equal to 6.

I hope this helps you :)

6 0
3 years ago
Which is an ordered pair on the line 2.5,14 2.25,12 1.25,5 1.5,9
Savatey [412]
I would think that all but one point would be on the line.  One way to approach this problem is to find the equation of the line based upon any two points chosen at random, and then determine whether or not the other points satisfy this equation.  Next time, would you please enclose the coordinates of each point inside parentheses:  (2.5,14), (2.25,12), and so on, to avoid confusion.
                                                               14-12
slope of line thru 1st 2 points is   m = ----------------  =  2/0.25 = 8
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What is the eqn of the line:     y = mx + b becomes

                                               14 = (8)(2.5) + b; find b:

14-20 = b = -6.  Then,   y = 8x - 6.

Now determine whether (12,1.25) lies on this line.  

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Why not work this problem out yourself using my approach as a guide? 



5 0
3 years ago
6a squared - 15a - 8a + 20
Sav [38]
Heya!

Here is your answer:

6a²-15a-8a+20


= 3a(2a-5) -4(2a-5)

= (3a-4)(2a-5)

:)
4 0
3 years ago
Read 2 more answers
Solve for u.<br> 11u = -22<br> Simplify your answer as much as possible. &lt;3<br><br> u = ???
lawyer [7]

Answer:

u=-2

Step-by-step explanation:

Let's solve your equation step-by-step.

11u=−22

Step 1: Divide both sides by 11.

11u

11

=

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Answer:

u=−2

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3 years ago
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Hunter-Best [27]

Answer:

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3 0
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