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[ebikeerwidnes]

2 equation, 2 unknowns.
Simultaneous equation solution.
Next

Yup that was what I got to
CBA to actually work it out

 

[Gwylan]

Yup that was what I got to
CBA to actually work it out

I didn't want to spoil it by giving the answer.
Bit of a mini duck though

 

[Dogtrousers]

Yup that was what I got to
CBA to actually work it out

Spoiler: Duck

6"

 

[ebikeerwidnes]

Spoiler: Duck

6"

no I'm not checking!

 

[wiggydiggy]

View attachment 764893

It's bigger on the inside.

 

[ebikeerwidnes]

It's bigger on the inside.

Does it have an outside??

 

[wiggydiggy]

Does it have an outside??

Its something to do with time and relative dimensions in space.

 

[Gwylan]

Yup that was what I got to
CBA to actually work it out

Doesn't need much computing power.

 

[Chris S]

View attachment 764892

b = d + 24

36 = b + d

36 = d + 24 + d

36 = 2d + 24

36 - 24 = 2d

12 = 2d

duck = 6, barrel = 30

 

[Gwylan]

b = d + 24

36 = b + d

36 = d + 24 + d

36 = 2d + 24

36 - 24 = 2d

12 = 2d

duck = 6, barrel = 30

Solution by substitution. Could be more elegantly composed

b = d + 24
b = 36 - d
36 - d = 24 + d
36 - 24 = 2d
12 = 2d

ergo d = 6

All the question asked was the height of the duck.

 

[PeteXXX]

My duck & barrel pic seems to be driving people quackers!

 

[Chris S]

Solution by substitution. Could be more elegantly composed

b = d + 24
b = 36 - d
36 - d = 24 + d
36 - 24 = 2d
12 = 2d

ergo d = 6

All the question asked was the height of the duck.

Solved using five steps instead of six!

 

[Supersuperleeds]

Solution by substitution. Could be more elegantly composed

b = d + 24
b = 36 - d
36 - d = 24 + d
36 - 24 = 2d
12 = 2d

ergo d = 6

All the question asked was the height of the duck.

36-24 = 12

12/2 = 6

Solved in two

 

[Gwylan]

My duck & barrel pic seems to be driving people quackers!

Better than the current invasion

 

[Supersuperleeds]

36-24 = 12

12/2 = 6

Solved in two

Or in one:

(36-24)/2 = 6

Bill is in the post