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sylinan

  • 3 years ago

help please Currently, Sam's coach is three times older than Sam. When Sam started soccer 15 years ago, his coach was six times his age. How old is Sam now? 15 10 25 20

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  1. hartnn
    • 3 years ago
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    Let Sam's age now be x Sam's coach is three times older than Sam, so, his coach's age now = 3x 15 years ago, Sam's age = x-15 his coach's age = 3x -15 , then his coach was six times his age, so 6(x-15) = 3x-15 can you solve this equation to get the value of x ?

  2. sylinan
    • 3 years ago
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    @hartnn -10?

  3. hartnn
    • 3 years ago
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    how can age be negative ? :P

  4. hartnn
    • 3 years ago
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    or did you mean age = 10 ?

  5. hartnn
    • 3 years ago
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    anyways 10 is incorrect.

  6. hartnn
    • 3 years ago
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    did you try solving this ? 6(x-15) = 3x-15

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