Concept explainers
To determine the number of chickens that the farmer have.
Answer to Problem 48STP
Total chickens are 90.
Option J is correct.
Explanation of Solution
Given information :
There are total 120 heads and a total of 300 feet.
Let number of chickens be
Hence we can write,
Further we know,
(We know chickens have 2 legs and pigs have 4 legs.)
Now we put the value of y from equation 1 in equation 2 we get,
Hence total chickens are 90.
Option J is correct.
Chapter 3 Solutions
Geometry, Student Edition
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