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Makovka662 [10]
2 years ago
14

A person on a moving sidewalk travels 21 feet in 7 seconds. The moving sidewalk has a length of 180 feet. How long will it take

to move from one end of the sidewalk to the other?
Mathematics
2 answers:
Law Incorporation [45]2 years ago
7 0
60 secconds
Explanation;
21 feet /7 secconds =3 secconds per foot.
180/3=60
Debora [2.8K]2 years ago
3 0

Answer:

180/3 60  second

Step-by-step explanation:

21/7 = 3 feet per second

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Anna is a teacher at an elementary school. She purchased 73 tickets to take the first-grade children and some parents on a field
Svetllana [295]

She bought 54 child tickets and 19 adult tickets.

Step-by-step explanation:

No. of tickets purchased = 73

Cost of tickets = $771

Cost of one child ticket = $9

Cost of one adult ticket = $15

Let,

Child ticket = x

Adult ticket = y

According to given statement;

x+y=73   Eqn 1

9x+15y=771   Eqn 2

Multiplying Eqn 1 by 9;

9(x+y=73)\\9x+9y=657\ \ \ Eqn\ 3\\

Subtracting Eqn 3 from Eqn 2;

(9x+15y)-(9x+9y)=771-657\\9x+15y-9x-9y=114\\6y=114\\

Dividing both sides by 6;

\frac{6y}{6}=\frac{114}{6}\\y=19

Putting y=19 in Eqn 1

x+19=73\\x=73-19\\x=54\\

She bought 54 child tickets and 19 adult tickets.

Keywords: linear equations, subtraction

Learn more about linear equations at:

  • brainly.com/question/3227215
  • brainly.com/question/3269852

#LearnwithBrainly

4 0
3 years ago
1,873 is roundes to the nearest thousand is
Serjik [45]
It would be 2,000. 1,873 rounded to the next number is 2,000, if the number was 1,499 you would round down but since the second number is higher than 5 you round up no matter what
5 0
3 years ago
Read 2 more answers
Which equation can you use to find the value of x?
klemol [59]

Answer:

3x=78+(x-2)

Step-by-step explanation:

The complete question in the attached figure

we know that

The <u><em>Triangle Exterior Angle Theorem</em></u> states that: An exterior angle of a triangle is equal to the sum of the opposite interior angles.

In this problem

3x=78+(x-2)

solve for x

3x=76+x\\3x-x=76\\2x=76\\x=38^o

3 0
3 years ago
Write the sentence as an equation.41 fewer than the quantity t times 307 is equal to n
Serhud [2]

The given statement is:

41 fewer than the quantity t times 307 is equal to n.

The equation is given by:

307t-41=n

3 0
1 year ago
Which one is grater 0.584 or 0.58 or they r both equally
Jobisdone [24]
0.584 is greater than 0.58 !
8 0
3 years ago
Read 2 more answers
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