John Has A Farm With Cows And Chickens. There Are 1284 Legs All In All. John Has 142 Chickens. How Many Cows Are There?, Show The:, Equation, Solution
John has a farm with cows and chickens. There are 1284 legs all in all. John has 142 chickens. How many cows are there?
Show the:
Equation
Solution
Final Answer
Let:
cows = a
chickens =
Equation: (number of legs) 2a + 4b = 1284
Solution:
2a + 4b = 1284; a = 142
2(142) + 4b = 1284
284 + 4b = 1284
4b = 1284 - 284
4b = 1000
b = 250
There are 250 cows.
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