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expeople1 [14]
3 years ago
14

When I think of a number, double it, then add seven, I get 25. what number did I think of?

Mathematics
2 answers:
murzikaleks [220]3 years ago
6 0

Answer:

9

Step-by-step explanation:

let the number be x

double it = x+x = 2x

then add seven = 2x+7

i get 25 2x+7= 25

subtract 7 from both sides

2x= 25-7= 18

2x= 18

x= 18/2 = 9

sweet [91]3 years ago
5 0

Answer:

9

Step-by-step explanation:

25-7=18

half of 18 is 9

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5000 people went to vote. Candidate Smith claimed 52% of the votes. Candidate Adams claimed 2681 votes. What percentage does can
boyakko [2]

The percentage of votes claimed by Adam is 53.62 %

<em><u>Solution:</u></em>

Given that, 5000 people went to vote

Candidate Smith claimed 52% of the votes. Candidate Adams claimed 2681 votes

To find: Percentage claimed by Adam

From given,

Total number of votes = 5000

Votes claimed by Adam = 2681

<em><u>The formula used is:</u></em>

Percentage\ claimed\ by\ Adam = \frac{\text{votes claimed by adam}}{\text{Total number of votes}} \times 100

<em><u>Substituting the values we get,</u></em>

Percentage\ claimed\ by\ Adam = \frac{2681}{5000} \times 100\\\\Percentage\ claimed\ by\ Adam = 0.5362 \times 100\\\\Percentage\ claimed\ by\ Adam = 53.62

Thus percentage of votes claimed by Adam is 53.62 %

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2n + 11

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