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Stolb23 [73]
3 years ago
7

PLEASE HELP ME I REALLY NEED IT

Mathematics
1 answer:
Romashka [77]3 years ago
8 0

Answer:

The answer should be b

Step-by-step explanation:

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If 111 people attend a concert and tickets for adults cost $4 while tickets for children cost $3.25 and total receipts for the c
VikaD [51]

Answer:

57 children

54 adults

Step-by-step explanation:

Let's call x the number of children admitted and call z the number of adults admitted.

Then we know that:

x + z = 111

We also know that:

3.25x + 4z = 401.25

We want to find the value of x and z. Then we solve the system of equations:

-Multiplay the first equation by -4 and add it to the second equation:

-4x - 4z = -444

3.25x + 4z = 401.25

----------------------------------

-0.75x = -42.75

x =\frac{-42.75}{-0.75}\\\\x=57

Now we substitute the value of x in the first equation and solve for the variable z

57 + z = 111

z = 111-57

z = 54

5 0
3 years ago
Read 2 more answers
These marbles are placed in a bag and two of them are randomly drawn. What is the probability of drawing two pink marbles if the
Shalnov [3]

Answer:

2/10 * 2/10 = 1/25

Step-by-step explanation:

Suppose you have 10 marbles in a bag.

5 black , 2 pink and 3 blue

As if two pink marbles are selected then

for one pink marble

probability = event occurred / total outcomes

                 = 2/10

Similar probability for an other pink marbles

Probability for the drawing two pink marbles is

P = 2/10 * 2/10

 = 1/25

4 0
3 years ago
54. Write the ratio as a fraction in simplest<br>form.<br>56 to 16​
pshichka [43]

Answer:

56/16 = 3.5

Step-by-step explanation:

4 0
3 years ago
A grocery store sells a bag of 5 avocados for $4. What is the unit cost of each avocado?
weeeeeb [17]
5x4 = 20
So the avocados would be $20
6 0
2 years ago
Read 2 more answers
The population of rabbits on an island is growing exponentially. In the year 2008, the population of rabbits was 7100, and by 20
olganol [36]

Answer:

Unknown answer so ye that mean I'm not sure about it

Step-by-step explanation:

Unknown answer so ye that mean I'm not sure about it

4 0
3 years ago
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