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.
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12 comments:
Not enough information to solve. 3 variables require three equations.
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
Mother 135 lbs
Baby 25 lbs
Dog 10 lbs
There are three equations. Read again
Mother 135 lbs
Baby 25 lbs
Dog 10 lbs
There are three equations
Ok, now it's solvable.
Mother: 100 lb
Baby: 50 lb
Dog: 20 lb
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
============================================
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
============================================
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
============================================
Anonymous said...
Not enough information to solve. 3 variables require three equations.
--->You have 3 equations. Read it again.
Anonymous said...
Not enough information to solve. 3 variables require three equations.
There are 3 equations. Read it more carefully.
Baby -25pound
Dog- 10 pound
Mother-135 pound
Has someone hacked Squirrel's account, or has he finally got one wrong????
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