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dlinn [17]
2 years ago
14

Jaleel wrote a book. He wants to print some copies for his friends and family. The printing company charges a one-time fee of $$

$200, plus $$$2 for each printed book.
Is the number of books he prints a function of total cost?
Mathematics
1 answer:
baherus [9]2 years ago
4 0

Yes

Set the total cost toy, the number of books is x.

So, y= 200+2x

so cost is a dunction of the number of books

Hope this helps you!!!!! :D

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Two families are planning a trip to Disney. The Smith family bought tickets for 2 adults and 3 children for $557. The Jones fami
emmainna [20.7K]

<em>An adult ticket costs $205 and a child ticket costs $49.</em>

<h2>Explanation:</h2>

Hello! Recall you have to write complete questions in order to find exact answers. Here I'll assume the complete question as:

<em>Two families are planning a trip to Disney. The Smith family bought tickets for 2 adults and 3 children for $557. The Jones family bought tickets for 2 adults and 1 child </em><em>for $459</em><em>. How much does and adult and child ticket cost?</em>

To solve this problem, we need to write a system of linear equations in two variables. So, we know some facts:

  • Two families are planning a trip to Disney.
  • The Smith family bought tickets for 2 adults and 3 children for $557.
  • The Jones family bought tickets for 2 adults and 1 child for $459.

Let:

x:Cost \ of \ ticket \ per \ adult \\ \\ y: Cost \ of \ ticket \ per \ child

For the Smith family:

Cost for the 2 adults:

2x

Cost for the 3 children:

3y

Total cost:

2x+3y=557

For the Jones family:

Cost for the 2 adults:

2x

Cost for the 1 child:

y

Total cost:

2x+y=459

So we have the following system of linear equations:

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}2x+3y=557\\2x+y=459\end{array}\right.

Subtracting (2) from (1):

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}2x+3y=557\\-(2x+y=459)\end{array}\right. \\ \\ \\ \begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}2x+3y=557\\-2x-y=-459\end{array}\right. \\ \\ \\ (2x-2x)+(3y-y)=557-459 \\ \\ 2y=98 \\ \\ y=49 \\ \\ \\ Finding \ x \ from \ (1): \\ \\ 2x+3(49)=557 \\ \\ 2x=557-147 \\ \\ 2x=410 \\ \\ x=205

Finally, <em>an adult ticket costs $205 and a child ticket costs $49.</em>

<em></em>

<h2>Learn more:</h2>

System of linear equations: brainly.com/question/13799715

#LearnWithBrainly

3 0
3 years ago
381 1/10 -214 43/100
Jet001 [13]

Answer:

Exact Form:

16667 /100

Decimal Form:

166.67

Mixed Number Form:

166 67/100

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Three fifths of a number, plus 8, is equal to the number.What is the number?
Luden [163]

Answer:

The number is 20.

Step-by-step explanation:

To solve this, first take the words and turn into an equation.

3/5x + 8 = x

Now we can solve for x using the order of operations

3/5x + 8 = x

8 = 2/5x

20 = x

7 0
3 years ago
I need help ASAP please
svetoff [14.1K]

Answer: 23

Step-by-step explanation:

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2 years ago
Matematicas
Minchanka [31]

Answer:

B

Step-by-step explanation: edge

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