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anonymous

  • one year ago

The sum of two numbers is 90. Their difference is 12. What are the numbers? Select one: a. no solution b. 31 and 59 c. 35 and 47 d. 39 and 51

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  1. alekos
    • one year ago
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    let the numbers be a an b a + b = 90 and a - b = 12

  2. alekos
    • one year ago
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    Now solve

  3. anonymous
    • one year ago
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    all u have to do is add two numbers like 31+59=?your answer it has to equal 90 cause its asking to find 2 #'s that equal 90 so check A first and se if u get 90 as a answer

  4. anonymous
    • one year ago
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    sorry I meant b so ...31+59=90 so B is ur answer

  5. anonymous
    • one year ago
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    actually it is c because the numbers have to have a difference of 12

  6. anonymous
    • one year ago
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    if the answer 31+59 and equals 90 doesn't that answer already have a difference of 12

  7. anonymous
    • one year ago
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    no it has a difference of 28 @daddysgirl14

  8. anonymous
    • one year ago
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    ok then its C ....

  9. anonymous
    • one year ago
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    it's 39 and 51

  10. anonymous
    • one year ago
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    thank you for trying though(: @daddysgirl14

  11. anonymous
    • one year ago
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    thx add me if u want

  12. anonymous
    • one year ago
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    @annas we already figured this out it is c not b

  13. anonymous
    • one year ago
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    51 - 39 = 12 :3

  14. anonymous
    • one year ago
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    hi everyone

  15. anonymous
    • one year ago
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    51-39 does equal 12 but im still think its C

  16. anonymous
    • one year ago
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    so it could be c or d but I'm going with c

  17. anonymous
    • one year ago
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    x+y = 90 x-y = 12 Add the equations 2x = 102 x = 102/2 x = 51 putting x in equation 1 (51) + y = 90 y = 90 - 51 y = 39 so x= 51 , y= 39 51 - 39 = 12

  18. anonymous
    • one year ago
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    Please dont guide her wrong. Thank you!

  19. anonymous
    • one year ago
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    51 + 39 = 90 too

  20. anonymous
    • one year ago
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    i said that at first too

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