It takes zach 15 minutes to walk 7 1/2 blocks to the swimming pool. at theis rate, how many blocks can he walk in one minute? circle the letter of the correct answer. a. 1/5 blocks. b. 1/2 blocks. c. 2 blocks. d. 5 blocks zach chose c as the correct answer. what was his error?

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.