I need Help with a question

[atp1]

A farmer has to buy 100 animals. He has $1000.00 dollars. Pigs cost $50.00, Ducks cost $10.00, and Hamsters cost $0.50 cents. How many of each animal can the farmer buy?
I need the answer please. What kind of Algebra problem is this considered and do you think it's to hard / complicated for a child in the fourth Grade?

Thanks
ATP

 

[atp1]

It's been over 20 years since I've taken an algebra class. My son is in an advanced math class. If possible can you suggest any books I can buy that can assist me with helping him. Sometimes I think we as parents and teachers we put too much pressure on our childern? Again thanks I know I'll be using this site again.

Thanks
ATP

 

[galactus]

Go to www.artofproblemsolving.com

They sell many nice publications for his age and advancement. Congratulations on having a gifted child. Learning systems of linear equations in the 4th grade, he must be very bright.

 

[chrisr]

\(\displaystyle D=100\ is\ an\ alternative\ solution.\)

\(\displaystyle D=100, P=0, H=0\)

\(\displaystyle The\ farmer\ may\ also\ buy\ numerous\ combinations\ of\ animals\ for\ less\ than\ 1000\ dollars,\ saving\ money.\)

100 hamsters...
99 hamsters and a pig..
99 hamsters and a duck...
98 hamsters and 2 pigs...
98 hamsters and 2 ducks...
98 hamsters, a pig and a duck.....
etc

 

[atp1]

Thanks Galactus and Chrisr!!! Great Information for an old man trying to help is son,

Again Thanks
atp1