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cedric

  • 3 years ago

Part 1: For the following system of equations, write your own real world scenario that describes what is happening. Use complete sentences and correct grammar in your scenario. Part 2: Solve the system and explain what the results mean according to your scenario. 2x + y = 11 3x + 4y = 24

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  1. nickhouraney
    • 3 years ago
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    no

  2. cedric
    • 3 years ago
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    ?

  3. apple_pi
    • 3 years ago
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    Twice Bob's age + Alice's age = 11; Thrice Bob's age + 4x Alice's age = 24; find their ages?

  4. cedric
    • 3 years ago
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    ok how could i find their ages? bc 3 times bobs age= + 4 times alices age = 24 like idk how to find them

  5. apple_pi
    • 3 years ago
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    To solve, rearrange the first equation: y=11-2x then substitute y into the second equation. 3x + 4(11-2x) = 24 3x+44-8x = 24 -5x = -20 x = 4 So Bob is age 4. sub in known value into either equation. 2(4)+y=11 8+y=11 y=3 So Alice is age 3. Then check: 2(4)+(3) is equal to 11 3(4)+4(3) is equal to 24. So there is the solution

  6. cedric
    • 3 years ago
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    oh ok i see now, thank you

  7. apple_pi
    • 3 years ago
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    no probs ;)

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