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Leya [2.2K]
3 years ago
5

-2d - 15 = 3 Solve the equation. What does d equal?

Mathematics
1 answer:
Alina [70]3 years ago
5 0

Answer:

d= - 9

Step-by-step explanation:

-2d-15+15=3+15

-2d=18

-2d/-2 = 18/-2

d= -9

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Anastasia works at the local museum and has been tracking museum attendance. On Thursday, she counts 220 museum visitors under t
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Answer:

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Step-by-step explanation:

So, we know that there were 220 visitors who were under the age of 12, and that the amount of visitors under the age of 12 was 55% of the total number of visitors. This means that 220 was 55% of the number of visitors. To find the total number of visitors, we divide the number of visitors under the age of 12 (220) by 0.55 (55%).

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I hope you find my answer helpful. :)

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3 years ago
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