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lianna [129]
3 years ago
11

A teacher took 25 students on a field trip to a museum. Of the 25 students, 16 students had never been to a museum before. What

percent of the students had never been to a museum?
Mathematics
1 answer:
nikdorinn [45]3 years ago
6 0

Answer:

Percentage of the students that have never been to a museum = 64%

Step-by-step explanation:

The teacher took 25 students on a field trip to a museum. This means Total number of students( students that have been to the museum before + students that have not been to the museum before ) = 25 students

Students that have never been to a museum before = 16 students

Percentage of the students that have never been to a museum =(16/25)×100 =0.64×100

=64%

Therefore,

Percentage of students that have been to the museum is 100-64 =36%

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How much longer is a ​7 5/20 in. metal pipe than a ​3 7/10 in. PVC​ pipe?
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Step-by-step explanation:

8 0
3 years ago
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1.)Painting Jane is painting one wall of her living room. The wall is rectangular, 13 feet wide by 9 feet high. What is the area
antiseptic1488 [7]

Answer:

1. 117 ft^{2}

2. 54 ft^{2}

3. 1,428 ft^{2}

4. 644 ft^{2}

5. 4,700 ft^{2}

6. 57,600 ft^{2}

Step-by-step explanation:

First use A = w*l

w = width

l = length

It doesn't have to be A = w*l, it could be A = l*w.   It will be the same answer.

1.  3 ft * 9 ft = 117 ft^{2}

2. 3 ft * 18 ft = 54 ft^{2}

3. 42 ft * 34 ft = 1,428 ft^{2}

4. 23 ft * 28 ft = 644 ft^{2}

5. 94 ft * 50 ft = 4,700 ft^{2}

6. 360 ft*160 ft = 57,600 ft^{2}

3 0
2 years ago
the width of Jana's rectangular classroom is 1 meter more then 1/4 of its length. if the perimeter of the classroom is 24 meters
Bumek [7]
Let's call the length L, the width w.
We have w=1+L/4.
The perimeter is P=2(L+w)=24 hence L+w=12
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4 0
3 years ago
Read 2 more answers
Kristen has 64 coins in her bank. She has $9.25 in dimes and quarters. How many dimes and quarters does she have?
Stella [2.4K]
D= # of dimes
q= # of quarters

QUANTITY EQUATION:
d + q= 64

COST EQUATION:
0.10d + 0.25q= $9.25


STEP 1:
multiply quantity equation by -0.10 to be able to eliminate the d term in step 2

(-0.10)(d + q)= (-0.10)(64)
-0.10d - 0.10q= -6.40


STEP 2:
add equation from step 1 to cost equation to eliminate the d term and solve for q

Add
0.10d + 0.25q= $9.25
-0.10d - 0.10q= -6.40

0.15q= 2.85
divide both sides by 0.15

q= 19 quarters


STEP 3:
substitute q value in step 2 into either original equation to find d value

d + q= 64

d + 19= 64
subtract 19 from both sides

d= 45 dimes


CHECK:
0.10d + 0.25q= $9.25
0.10(45) + 0.25(19)= 9.25
4.50 + 4.75= 9.25
9.25= 9.25


ANSWER: There are 45 dimes and 19 quarters.

Hope this helps! :)
7 0
4 years ago
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