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Alik [6]
2 years ago
8

Question A volleyball team sold raffle tickets to raise money for the upcoming season. They sold three different types of ticket

s: premium for $10, deluxe for $4, and regular for $2. The total number of tickets sold was 208, and the total amount of money from raffle tickets was $714. If 78 more regular tickets were sold than deluxe tickets, how many premium tickets were sold?​
Mathematics
1 answer:
m_a_m_a [10]2 years ago
3 0

Answer:

24 premium tickets were sold.

Step-by-step explanation:

Let :

Deluxe ticket = x

Regular tickets = x + 78

Premium tickets = y

x + (x + 78) + y = 208

4x + 2(x+78) + 10y = 714

2x + y = 208 - 78

4x + 2x + 156 + 10y = 714

2x + y = 130 - - - - - (1)

6x + 10y = 558 - - - - (2)

Now we can solve the simultaneous equation using elimination method :

From (1)

y = 130 - 2x

Put y = 130 - 2x in (2)

6x + 10(130 - 2x) = 558

6x + 1300 - 20x = 558

- 14x = 558 - 1300

-14x = - 742

x = 742 / 14

x = 53

Put x = 53 in y = 130 - 2x

y = 130 - 2(53)

y = 130 - 106

y = 24

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13, 5, 4, 9, 7, 14, 4 The deviations are _____.
fenix001 [56]

Answer:

B."5, -3, -4, 1, -1, 6, -4"

Step-by-step explanation:

We are given that

13,5,4,9,7,14,4

We have to find the deviation.

Mean=\frac{sum\;of\;data}{total\;number\;of\;data}

Using the formula

Mean,\mu=\frac{13+5+4+9+7+14+4}{7}

Mean,\mu=\frac{56}{7}=8

Deviation=x_i-\mu

         x_i-\mu

13          5

5           -3

4           - 4

9            1

7             -1

14            6

4            - 4

Hence, option  B is correct.

7 0
3 years ago
David went to a fast-food shop for a meal in a late evening. Only steak, pork chop and grilled chicken were available for main c
Doss [256]

six

Step-by-step explanation:

the reason is this: let steak be (s), pork  be (p), grilled chicken be (gc), tea be (t), and coffee be (c)

now, we want to find the total number of outcomes, and this cannot be determined by a simple roll of the dice. you have to count the sample space required for EVERY outcome, and it has to lie within the conditions. so, assuming David only takes 1 main course and 1 drink, he would be down to six  option, which are :

1. s & t

2. s & c

3. p & t

4. p & c

5. gc & t

6. gc & c

5 0
3 years ago
Can someone help me on this?
Vinil7 [7]

Answer:

12√2

Step-by-step explanation:

45-45-90 special right triangles follow the form of x,x,x√2

Where both the sides that are across from the same angle (45) are equal in length and the hypotenuse is that value multiplied by the √2

6 0
3 years ago
Read 2 more answers
If one wheel on bob's model 4 inches across, how many inches across is the actual wheel on his bike? Explain.
emmasim [6.3K]

Answer:

There is not enough information to answer this question. Is there perhaps a diagram or table provided?

Step-by-step explanation:

4 0
3 years ago
Use mental math to find the equations that are true. Select all that apply. A. 400 ÷ 80 = 50 B. 4 , 000 ÷ 80 = 5 C. 400 ÷ 8 = 50
NeX [460]

As per the mental math calculation, the correct division equations are

C. 400 ÷ 8 = 50

D. 40,000  ÷ 800 = 50

E. 40,000 ÷ 80 = 50

Mental math calculation:

Mental math calculation means a group of skills that allow people to do math “in their head” without using pencil and paper or a calculator.

We can done any type of calculation like addition, subtraction, division etc. based on this method.

Given,

Here we have the following equations,

A. 400 ÷ 80 = 50

B. 4 , 000 ÷ 80 = 5

C. 400 ÷ 8 = 50

D. 40 , 000 ÷ 800 = 50

E. 40 , 000 ÷ 80 = 500

And we need to find the equations that are true by using the mental math calculation.

While we looking into the given expressions,

A. 400 ÷ 80 = 50

This one is false because when we cancel zero, and divide it we get 5 alone.

Then the next one is,

B. 4,000 ÷ 80 = 5

This one is false because when we cancel zero, and divide it we get 50 alone.

Third one is

C. 400 ÷ 8 = 50

This one is true because when we cancel zero, and divide it we get 50 as result.

Next is,

D. 40,000 ÷ 800 = 50

This one is true because when we cancel zero, and divide it we get 50 as result.

Final one,

D. 40,000 ÷ 80 = 500

This one is true because when we cancel zero, and divide it we get 500 as result.

Therefore, options C, D and E are true.

To know more about Mental math here.

brainly.com/question/680614

#SPJ1

8 0
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