SOLUTION: There are 41 Goats and Cocks in a farm, one Goat and Cock do not have a leg.In total there are 136 legs. How many goats and cocks are there in separately? (please explain the metho
Algebra ->
Test
-> Lessons
-> SOLUTION: There are 41 Goats and Cocks in a farm, one Goat and Cock do not have a leg.In total there are 136 legs. How many goats and cocks are there in separately? (please explain the metho
Log On
Question 1045133: There are 41 Goats and Cocks in a farm, one Goat and Cock do not have a leg.In total there are 136 legs. How many goats and cocks are there in separately? (please explain the method) Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the number of goats
Let = the number of cocks
-----------------------------
(1)
(2)
------------------------
If you add up the number of legs that number
of goats would normally have, and you add up the
number of legs that number of cocks would
normally have, and then you subtract the
legs that are missing, you have the counted number
of legs:
------------------------
(2)
(2)
-----------------------
Subtract (1) from (2)
(2)
(1)
--------------------
and
(1)
(1)
(1)
------------------
There are 28 goats and 13 cocks
-----------------------------
check:
(2)
(2)
(2)
(2)
(2)
OK
