4. Mr. Green has 160 animals on his farm. Of these animals, 20% are cows, 30% are goats, 10% are horses, and the rest are chickens.

How many goats are on Mr. Green's farm?

32

96

50

48

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.