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LLHZN

  • 3 years ago

Please help! Gerry is 4 years younger than Tom.If Tom is t years old, how old is Gerry? I know how to write the expression, but I don't know how to solve. Please help! Thanks!

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  1. Mashy
    • 3 years ago
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    hmmm tom is t years old and gerry is 4 years YOUNGER!

  2. LLHZN
    • 3 years ago
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    yeah t-4.Ok now how you solve it?

  3. Mashy
    • 3 years ago
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    thats all.. thats the answer! :P

  4. LLHZN
    • 3 years ago
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    hm. okay i guess. How about this one: 150 people went to see "Ode to Algebra" performed in the school auditorium. If the number of children that attend the performance was, c, how many adults attend?

  5. Mashy
    • 3 years ago
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    you tell.. 150 people went to see it children were C.. so how many left?

  6. LLHZN
    • 3 years ago
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    i don't know, thats why I'm asking I'm a bit confused. Can you please explain?

  7. Mashy
    • 3 years ago
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    total people 150.. out of them 'c' number of them were kids.. so how many left??

  8. LLHZN
    • 3 years ago
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    I'm sorry I'm lost. Its confusing me, wouldn't it be 150=a+c ?? I'm sorry I don't really understand.

  9. Mashy
    • 3 years ago
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    lets start simple if i said.. out of 10 people 4 were children.. how many are adults?

  10. LLHZN
    • 3 years ago
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    6

  11. Mashy
    • 3 years ago
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    so that was 10 - 4 similarly out of 150.. c number of them are children.. hence the answer would be???

  12. LLHZN
    • 3 years ago
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    OH. 150?

  13. Mashy
    • 3 years ago
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    :O c is a variable.. c could be 1 or 2 or 150... so the answer is 150 - c

  14. LLHZN
    • 3 years ago
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    I feel stupid. But WHY would it be 1 , 2 , or 150?

  15. Mashy
    • 3 years ago
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    thats algebra.. its a variable.. a variable could be any number!!! so in general.. it would be 150 - c

  16. LLHZN
    • 3 years ago
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    Oh. okay. But since its saying to find the amt of adults, then wouldn't it be 150-c=a ?

  17. Mashy
    • 3 years ago
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    ok ok. yes.. 'a' is a variable that you are assigning to adults :)..

  18. LLHZN
    • 3 years ago
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    Ohh ok! Thank you so much!

  19. Mashy
    • 3 years ago
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    no probs ;-)

  20. LLHZN
    • 3 years ago
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    hey can you help me again??

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