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laiz [17]
3 years ago
13

80 people attended a meeting. There was x men and x women and the rest were children. How many children attended the meeting

Mathematics
1 answer:
sesenic [268]3 years ago
4 0

Answer:

<em>80 - 2x</em>

Step-by-step explanation:

Given

Total number of people = 80 people

Total men = x men

Total women = x women

Let the number of childeren be c

x + x + c = 80

Make c the subject of the formula

c = 80 - (x+x)

c = 80 - 2x

<em>Hence the total children attending is 80 - 2x</em>

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The length of a rectangular wall is 16.5 feet. The height of the wall is 8.625 feet. Cameron determines the area of the wall to
Drupady [299]

Answer:

Cameron’s solution is unreasonable because 17 times 9 is 153, and 153 is not close to his product.

Step-by-step explanation:

Area of a rectangle:

The area of a rectangle, of length l and height h, is given by:

A = lh

The length of a rectangular wall is 16.5 feet. The height of the wall is 8.625 feet.

This means that l = 16.5, h = 8.625

Estimate of the area:

To use an "easy" multiplication, lets consider l = 17, h = 9. So

A = lh = 17(9) = 153

Cameron determines the area of the wall to be 1423.125 square feet.

Very far from the area of 153, which means that he made a confusion with the decimal places. Thus, the correct answer is:

Cameron’s solution is unreasonable because 17 times 9 is 153, and 153 is not close to his product.

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3 years ago
The table reflects the prices at Strike-O-Rama Bowling Alley.
Goshia [24]

Answer: the answer is 4.95

Step-by-step explanation:

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3 years ago
Which is the best estimate for the quotient of 198.32 ÷ 9.001?
Whitepunk [10]
I would believe it to be 22
4 0
3 years ago
Read 2 more answers
What is 1÷ (3/4) = ?
Valentin [98]

Answer:

Step-by-step explanation:

You can get your calculator to do this for you. 3 ÷ 4 = 0.75

1 ÷ 0.75 = 1.3333

or you can divide by 3/4 by hand

1

----

1

=====

3

-----

4

1        *     4

---  -----------  ====== 1.33333

1        *     3      

4 0
3 years ago
5. If z=10 find the value of Z3-3(2-10)​
avanturin [10]

Answer:

54

Step-by-step explanation:

BEDMAS

z=10

(10)3-3(2-10)

=(10)3-3(-8)

=30-(-24) *2 negatives = a positive

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3 0
1 year ago
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