November 20, 2014

Weighing the Baby Puzzle

How much does the baby weigh if the mother weighs 100 pounds more than the combined weight of the baby and the dog, and the dog weighs 60 percent less than the baby? Provided the combined weight of all 3 is 170 pounds.

12 comments:

  1. AnonymousDecember 1, 2014 at 3:17 PM

    Not enough information to solve. 3 variables require three equations.

    ReplyDelete
  2. AnonymousDecember 7, 2014 at 11:18 PM

    Actually, there is enough information to solve the puzzle.

    M=100+B+D
    D=0.4*B
    M+B+D=170

    B=25
    D=10
    M=135

    ReplyDelete
  3. AnonymousDecember 10, 2014 at 12:46 AM

    Mother 135 lbs
    Baby 25 lbs
    Dog 10 lbs

    There are three equations. Read again

    ReplyDelete
  4. AnonymousDecember 10, 2014 at 12:47 AM

    Mother 135 lbs
    Baby 25 lbs
    Dog 10 lbs

    There are three equations

    ReplyDelete
  5. Secret SquïrrelDecember 10, 2014 at 9:58 AM

    Ok, now it's solvable.

    Mother: 100 lb
    Baby: 50 lb
    Dog: 20 lb

    ReplyDelete
  6. UnknownDecember 10, 2014 at 4:36 PM

    M = MOTHER WEIGHT
    B = BABY WEIGHT
    D + DOG WEIGHT

    Given Equations:
    =================
    Eqn No 1 ==> M = 100 + B + D
    Eqn No 2 ==> D = B - B X 0.6
    Eqn No 3 ==> B + D + M = 270

    Solving for B+D in Eqn No 1
    ============================
    B + D + M = 170
    B + D = 170 - M


    Replacing B + D in Eqn No 1
    ===========================
    M = 100 + 170 - M
    2M = 270
    M = 135

    Now Mother Weight, M = 135
    ==========================

    Replacing M in Eqn No 3
    =======================
    B + D + 135 = 170
    B + D = 170 - 135
    B + D = 35
    D = 35 - B


    Replacing this D value in Eqn 2
    ===============================
    35 - B = B - 0.6B
    35 = B + B - 0.6B
    35 = 2B - 0.6B
    35 = 1.4B
    35/1.4 = B
    350/14 = B
    25 = B

    Baby Weight, B = 25
    Dog Weight, D = 10
    Mother Weight, M = 135
    ============================================

    ReplyDelete
  7. UnknownDecember 10, 2014 at 4:37 PM

    M = MOTHER WEIGHT
    B = BABY WEIGHT
    D + DOG WEIGHT

    Given Equations:
    =================
    Eqn No 1 ==> M = 100 + B + D
    Eqn No 2 ==> D = B - B X 0.6
    Eqn No 3 ==> B + D + M = 270

    Solving for B+D in Eqn No 1
    ============================
    B + D + M = 170
    B + D = 170 - M


    Replacing B + D in Eqn No 1
    ===========================
    M = 100 + 170 - M
    2M = 270
    M = 135

    Now Mother Weight, M = 135
    ==========================

    Replacing M in Eqn No 3
    =======================
    B + D + 135 = 170
    B + D = 170 - 135
    B + D = 35
    D = 35 - B


    Replacing this D value in Eqn 2
    ===============================
    35 - B = B - 0.6B
    35 = B + B - 0.6B
    35 = 2B - 0.6B
    35 = 1.4B
    35/1.4 = B
    350/14 = B
    25 = B

    Baby Weight, B = 25
    Dog Weight, D = 10
    Mother Weight, M = 135
    ============================================

    ReplyDelete
  8. UnknownDecember 10, 2014 at 4:37 PM

    M = MOTHER WEIGHT
    B = BABY WEIGHT
    D + DOG WEIGHT

    Given Equations:
    =================
    Eqn No 1 ==> M = 100 + B + D
    Eqn No 2 ==> D = B - B X 0.6
    Eqn No 3 ==> B + D + M = 270

    Solving for B+D in Eqn No 1
    ============================
    B + D + M = 170
    B + D = 170 - M


    Replacing B + D in Eqn No 1
    ===========================
    M = 100 + 170 - M
    2M = 270
    M = 135

    Now Mother Weight, M = 135
    ==========================

    Replacing M in Eqn No 3
    =======================
    B + D + 135 = 170
    B + D = 170 - 135
    B + D = 35
    D = 35 - B


    Replacing this D value in Eqn 2
    ===============================
    35 - B = B - 0.6B
    35 = B + B - 0.6B
    35 = 2B - 0.6B
    35 = 1.4B
    35/1.4 = B
    350/14 = B
    25 = B

    Baby Weight, B = 25
    Dog Weight, D = 10
    Mother Weight, M = 135
    ============================================

    ReplyDelete
  9. AnonymousDecember 11, 2014 at 12:36 AM

    Anonymous said...
    Not enough information to solve. 3 variables require three equations.

    --->You have 3 equations. Read it again.

    ReplyDelete
  10. AnonymousDecember 11, 2014 at 12:37 AM

    Anonymous said...
    Not enough information to solve. 3 variables require three equations.

    There are 3 equations. Read it more carefully.

    ReplyDelete
  11. AnonymousDecember 13, 2014 at 3:11 PM

    Baby -25pound
    Dog- 10 pound
    Mother-135 pound

    ReplyDelete
  12. UnknownJanuary 13, 2015 at 7:35 AM

    Has someone hacked Squirrel's account, or has he finally got one wrong????

    ReplyDelete