Homework Help: math

Posted by stef on Sunday, July 29, 2012 at 7:03pm.

write a system of two equation and use them to solve the following problem: two farmers were discussing how many chickens and cows they would purchase at market. the first farmer says to the second, I have just purchased 30 new heads and 100 feet. how many chicken and how many cows did the farmer purchase?

math - drwls, Sunday, July 29, 2012 at 7:24pm
X new chickens
Y new cows.

X + Y = 30
2X + 4Y = 100

2X + 2Y = 60
2Y = 40
Y = 20
X = 30 - Y = 10

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