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Ray Of Light [21]
3 years ago
13

ellen had 25 hair clips,7 of them were blue and the rest are purple.what percent of hair clips were purple

Mathematics
2 answers:
strojnjashka [21]3 years ago
6 0
Answer=72%

25-7=18purple clips

  18       x
____=____
  25     100

cross multiply
25x=1800
divide both sides by 25
x=72%
Tcecarenko [31]3 years ago
3 0

Ellen had 25 hair clips. 7 of them were blue and the rest were purple. What percent of hair clips were purple?

To find out how many hair clips are purple, we can subtract 7 from 25 to see how many hair clips are purple. 25 - 7 = 18 so we now know that 18 hair clips are purple.

The fraction \frac{18}{25} represents the number of purple hair clips Ellen has out of all the hair clips together.

To find what percent of the hair clips are purple, we can turn this into a fraction.

18 ÷ 25 = 0.72

0.72 × 100 = 72%

Therefore, 72% of Ellen's hair clips were purple.

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A 20° sector in a circle has an area of 684 yd2.
olga_2 [115]
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Answer:

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8 0
2 years ago
To make a trail mix you must have 4 cups of pretzels and 2 cups of bread chips.What is the ratio of pretzels to bread chips?
WINSTONCH [101]
4:2 which can be converted to 2:1
3 0
3 years ago
Elimination method - -4x = 4y<br> 4x - 8y = 12
nika2105 [10]

Answer: (4,-4)

y=-4, x=4

Step-by-step explanation:

-4x=4y

4x-8y=12

-8y=-4x+12  Now I can substitute -4x for 4y

-8y=4y+12

-2y=y+12

-3y=12

y=-4

-4x=4y

-4x=4(-4)

x=4

6 0
3 years ago
Hi please helpppppppp
sertanlavr [38]

Answer:

The answer is C

Step-by-step explanation:

Hope it helps:)))

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4 0
2 years ago
Somebody help me with this? Please
defon

Answer:

See the attached image for solutions.

Step-by-step explanation:

X-ray vision to all students ratio:

<u>6:36</u>, which can be simplified to <u>1:6</u>.

<u />

Flight to all students ratio:

<u>8:36</u>, which can be simplified to <u>2:9</u>.

Flight to inivisibility ratio:

<u>8:36</u>, which can be simplified to <u>2:3</u>.

Hope this helps! :)

6 0
2 years ago
Read 2 more answers
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