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EmmaH

  • 3 years ago

please explain i am sooooo confused Write an inequality for each and solve. Be sure to check your solution for reasonableness. Jim is three years older than his cousin Bob. Jim’s age is less than 21. How old is Bob?

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  1. saifoo.khan
    • 3 years ago
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    Bob's age = x Jim's age = 3x 3x < 21

  2. EmmaH
    • 3 years ago
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    but my school says somethign different

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  3. MathLegend
    • 3 years ago
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    Yes, your school is right.

  4. saifoo.khan
    • 3 years ago
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    Ops! My bad. I mis read. i read 3 TIMES the age of Bob. :S

  5. MathLegend
    • 3 years ago
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    3 years older... If I am 17 and someone is 3 years older... 17 + 3 = 20 that person is 20

  6. saifoo.khan
    • 3 years ago
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    it will be: Bob's age = x Jim's age = x+3 x+3 < 21

  7. EmmaH
    • 3 years ago
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    oh ok

  8. EmmaH
    • 3 years ago
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    thanks peoples!

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