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s2008m [1.1K]
3 years ago
8

What is the percent of change from 25 to 18? Can you explain the steps for me pls and thanks!

Mathematics
2 answers:
levacccp [35]3 years ago
8 0

Answer:

18 is 72% of 25 which is also known as 28% less of 25

Step-by-step explanation:

18/25=.72

1-.72=.28

.28=28%

svp [43]3 years ago
4 0

Answer:

28%

Step-by-step explanation:

25 → 100%

1 → 100% / 25 = 4%

18 → 4% x 18 = 72%

percentage change = difference in percentage = 100% - 72% = 28%

hope that helps :)

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Matilda needs at least $112 to buy a new dress. She already has saved $40. She earns $9 an hour by babysitting. Write an inequal
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6 0
3 years ago
In the first week
FromTheMoon [43]

The percent change in the number of people who went to the pool

between the first  and last week is 10% less

Step-by-step explanation:

The given is:

  • In the first week  of July, a record 1,060 people went to the local  swimming pool
  • In the second week, 105 fewer  people went to the pool
  • In the third week, 135  more people went to the pool than in the second  week
  • In the fourth week, 136 fewer people  went to the pool than in the third week

We need to find the percent change in the number of  people who

went to the pool between the first  and last weeks

∵ There were 1060 people in the 1st week

∵ There were 105 fewer people in the 2nd week

∴ The number of people in the 2nd week = 1060 - 105 = 955

∴ There were 955 people in the 2nd week

∵ There were 135 more people in the 3rd week than the 2nd week

∵ There were 955 people in the 2nd week

∴ The number of people in the 3rd week = 955 + 135 = 1090

∴ There were 1090 people in the 3rd week

∵ There were 136 fewer people in the 4th week than in the 3rd week

∵ There were 1090 people in the 3rd week

∴ The number of people in the 4th week = 1090 - 136 = 954

∴ There were 954 people in the 4th week

Let us find the change from 1st week to last week

∵ There were 1060 people in the 1 st week

∵ There were 954 people in the last week

∴ The change = 1060 - 954 = 106

∵ Percent change = \frac{Change}{Original} × 100%

∴ Percent change = \frac{106}{1060} × 100%

∴ Percent change = 10%

The percent change in the number of people who went to the pool

between the first  and last week is 10% less

Learn more:

You can learn more about percentage in brainly.com/question/12501490

#LearnwithBrainly

8 0
3 years ago
The lines given by the equations y=2x and y=4x+1 are
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Answer:

A

Step-by-step explanation:

For lines to be parallel, their slopes need to be the same.

For lines to be perpendicular, the product of their slopes needs to be -1.

None of these conditions are met since the slopes are 2 and 4 respectively.

Sooo.... The answer must be A! :)

4 0
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