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Galina-37 [17]
3 years ago
6

Of 55 cars making up a freight train, 37 are boxcars. what fraction of the cars are not boxcars?​

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0

Answer:

18/55

Step-by-step explanation:

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8 0
3 years ago
Danielle’s aunt is 8 years than 3 times Danielle’s age. Her aunt is 34. Write an equation that relates Danielle’s age, a, to her
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Answer:

*Assuming that the question should read '8 years less than 3 times Danielle's age'*

Equation:  3a - 8 = 34, where 'a' = Danielle's age

Danielle's age (a) = 14

Step-by-step explanation:

Using key words and phrases from the problem, we can find Danielle's age by setting up an equation to solve for 'a'.  

Since Danielle's aunt is '8 years less than 3 times Danielle's age' her aunt's age can be written as:  3a - 8.  We also know her aunt is 34.  So, the equation becomes:

3a - 8 = 34

Add 8 to both sides:  3a - 8 + 8 = 34 + 8 or 3a = 42

Divide both sides by 3:  3a/3 = 42/3

Solve for a:  a = 14, so Danielle's age is 14 years old.  

7 0
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Help plz i really dont understand how to do this
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74 cause an absolute value of any number will always be positive.

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