Afarm has a pigs, cows and chickens. the number of cows is one more than the number of pigs. the number of chickens is three times the number of cows. if the farm has between 201 and 210 animals, what is the maximum numbers of chickens on the farm?

3

step-by-step explanation:

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.