1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
stiks02 [169]
3 years ago
7

A group of 266 persons consist of men, women, and children. There are four times as many men as children. And twice as many wome

n as children. How many of each are there
Mathematics
1 answer:
lara [203]3 years ago
8 0

There are 152 men, 76 women and 38 children.

Step-by-step explanation:

Total persons = 266

Let,

men = m

women = w

children = c

According to given statement;

m+w+c=266    Eqn 1

m = 4c   Eqn 2

w = 2c   Eqn 3

Putting value of m and w from Eqn 2 and 3 in Eqn 1

4c+2c+c=266\\7c=266\\

Dividing both sides by 7

\frac{7c}{7}=\frac{266}{7}\\c=38

Putting c=38 in Eqn 2;

m=4(38)\\m=152

Putting c=38 in Eqn 1;

w=2(38)\\w=76

There are 152 men, 76 women and 38 children.

Keywords: linear equations, substitution method

Learn more about linear equations at:

  • brainly.com/question/3820433
  • brainly.com/question/3852778

#LearnwithBrainly

You might be interested in
What do I do and how do I do it​
Ahat [919]
Show us the options so we can help
3 0
2 years ago
Choose the correct solution to 2x² - 7x = -5
anyanavicka [17]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
Work out the formula for the nth term of the<br>quadratic sequence:<br>5, 11, 19, 29​
Sladkaya [172]

Answer:

n squared + 3n + 1

Step-by-step explanation:

5,11,19,29

Firstly look at the difference between each number. The first difference is 6 then 8 then 10 etc. After that you look at your created sequence - 6,8,10 etc. The difference is 2 each time. Then applying rules, you have to do the constant difference divided by 2 to get a coefficient of n squared. So in this case it's n squared because 2/2 = 1 so you don't have to place a 1 in front of the n squared. After you create a sequence from the n squared. That would be 1,4,9 etc. Then you need to see how to get from the sequence: 1,4,9 etc to your original sequence: 5,11,19 etc. So if you calculate it you will get 4,7,10 because firstly 5-1 = 4 then 11-4 = 7 etc. The sequence 4,7,10 is a linear sequence so the constant difference is 3 each time. So to get a nth term of a linear sequence you will start off as 3n then you will substitute 1 then 2 then 3 into the 3n. Therefore that would be 3,6 etc. So if you take the first substituted term, that would be 3 as said before then you will have to see how to get from the 3 to 4 so that is just adding 1. So the nth term of this linear sequence is 3n + 1. Check if it works at the end. So the overall nth term of the quadratic sequence is n squared as said before + 3n + 1.

8 0
3 years ago
HELP!!!!! I AM DESPERATE!!!!!
vfiekz [6]

Answer:

1. Linear

2. Linear

3. Non-Linear

4. Non-Linear

5. Linear

6. Non-Linear

7. Linear

8. Non-Linear

9. Linear

The code should be LLNNLNLNL

4 0
3 years ago
Read 2 more answers
: If 10 less than 5 times a number is two more than 3 times the number, then the number is ​
Feliz [49]

Answer:

<h2><u><em>x = 1</em></u></h2>

Step-by-step explanation:

If 10 less than 5 times a number is two more than 3 times the number, then the number is ​

10 - 5x = 2 + 3x

10 - 2 - 5x - 3x = 0

8 - 8x = 0

x = 1

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

check

10 - 5 * 1 = 2 + 3 * 1

5 = 5

the answer is good

6 0
2 years ago
Other questions:
  • N is an example of _____. Select all that apply. a variable, a constant, an expression, a term
    14·2 answers
  • A Norman window has the shape of a rectangle surmounted by a semicircle. Find the dimensions of a Norman window of perimeter 30
    8·2 answers
  • Find the value of √25-√9/√25+√9​
    9·2 answers
  • In a cafeteria, 1\6 of the students are eating salads , and 2\3 are eating sandwiches. There are 18 students in the cafeteria. H
    12·1 answer
  • 8) Jasmine had some candy to give to her
    10·2 answers
  • P(x)=2x^3+5x^2-2x-5 find the zeros
    14·1 answer
  • I need help with this question ASAP
    7·2 answers
  • Please helpppppp meeee!!!!!
    5·1 answer
  • What is the slope of the line?
    10·1 answer
  • 4. (A). Use the digits 1, 6, 7 and 5 to form the greatest 4-digit even
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!