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Vikentia [17]
3 years ago
10

Joe is 10 years older than James. In 8 years, twice Joe's age will equal three times James's age. How old is each now?

Mathematics
2 answers:
zlopas [31]3 years ago
7 0
Let james be x years old
joe = 10+x
after 8 years
18+x =3(x)
18+x=3x
18=2x
x=9
joe is 19
james is 9
Tresset [83]3 years ago
5 0
Joe's age- 22
James's age- 12

Hope I helped you! 
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3 years ago
A warehouse contains 7250 books in it. Books are being shipped from the warehouse such that the number of books decreased by 150
Lapatulllka [165]

Using an linear function, we have that:

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<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

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In this problem:

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  • Books are being shipped from the warehouse such that the number of books decreased by 150 per day, hence m = -150.

Thus, the number of books each day is modeled by the following function:

B(D) = -150D + 7250

It will begin to print more books when the warehouse contains less than 2000 books, hence, the inequality is:

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Then:

-150D < -5250

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D > \frac{5250}{150}

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The warehouse will start printing more books on the 35th day, hence it won't be printing on the 30th day.

More can be learned about linear functions at brainly.com/question/24808124

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svetoff [14.1K]

Answer:

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