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Solmyr

  • 3 years ago

Need help Please I have to have this turned in NOW!!!! 1.Tony and Belinda have a combined age of 56. Belinda is 8 more than twice Tony’s age. How old is each?

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  1. BluFoot
    • 3 years ago
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    I just helped you with this question! If you were confused you should have said so instead of closing the question!

  2. BluFoot
    • 3 years ago
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    OK we had 2 equations. x+y = 56 and y = 8 + x do you know how to solve a system of equations?

  3. Solmyr
    • 3 years ago
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    srry i was having a conversation with a teacher and i have to have this done and completed

  4. Solmyr
    • 3 years ago
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    sorta but not really

  5. BluFoot
    • 3 years ago
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    I like comparison. In both equations, solve for y=. It's already done for you in the second. Then set the two equations equal to each other, eliminating the y and solve for x.

  6. Solmyr
    • 3 years ago
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    so just 8 + x

  7. Solmyr
    • 3 years ago
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    =56

  8. BluFoot
    • 3 years ago
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    No because you have to solve for y in the first equation. You get x+y = 56 y = 56-x and y= 8 + x so 8+x = 56-x solve for x!

  9. Solmyr
    • 3 years ago
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    oh

  10. Solmyr
    • 3 years ago
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    would i first minus eight to both sides?

  11. BluFoot
    • 3 years ago
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    yes

  12. Solmyr
    • 3 years ago
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    x = 48 -x

  13. Solmyr
    • 3 years ago
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    now what?

  14. BluFoot
    • 3 years ago
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    Add x on both sides

  15. Solmyr
    • 3 years ago
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    ok so this gives me 48

  16. Solmyr
    • 3 years ago
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    alone

  17. Solmyr
    • 3 years ago
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    i mean 2x = 48

  18. BluFoot
    • 3 years ago
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    ok now divide by 2

  19. Solmyr
    • 3 years ago
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    24

  20. Solmyr
    • 3 years ago
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    can u help me with a few more

  21. BluFoot
    • 3 years ago
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    I'll help you with 1 more but you should be starting to be able to recognize the pattern and figure out how to solve it by yourself

  22. Solmyr
    • 3 years ago
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    ok

  23. Solmyr
    • 3 years ago
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    2.Salisbury High School decided to take their students on a field trip to a theme park. A total of 150 people went on the trip. Adults pay $45.00 for a ticket and students pay $28.50 for a ticket. How many students and how many adults went to the park if they paid a total of $4770?

  24. BluFoot
    • 3 years ago
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    Okay here the variables (x and y) are the number of adults and the number of students. So we can say x = number of adults y = number of students These are the 2 statements: 1. A total of 150 people went on the trip 2. they paid a total of $4770 Can you turn these into equations?

  25. Solmyr
    • 3 years ago
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    x + y = 150 x45.00 + y28.50 = 4770

  26. Solmyr
    • 3 years ago
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    ????

  27. Solmyr
    • 3 years ago
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    @BluFoot

  28. BluFoot
    • 3 years ago
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    Sorry was afk for a sec. Yes that's correct. Now use substitution to solve. Solve for x or y in the first equation and plug it into the second equation

  29. Solmyr
    • 3 years ago
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    im not sure how to do that

  30. Solmyr
    • 3 years ago
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    cause first one we did comparison

  31. BluFoot
    • 3 years ago
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    Let's solve for y in the first equation x+y = 150 y= 150-x Now plug it into the second 45x + 28.5y = 4770 45x + 28.5(150-x) = 4770 now expand and solve for x

  32. Solmyr
    • 3 years ago
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    umm ok ive never seen that done before now though

  33. BluFoot
    • 3 years ago
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    OK I have to go, good luck :)

  34. Solmyr
    • 3 years ago
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    oh ok thanks

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