Hmmm.
z - 1/5 > 1/4
z > 1/4 + 1/5
z > 9/20
You don't swap direction unless multiplying or dividing by a negative value. Addition and subtraction do not affect the sense of the inequality.
z- 1/5 > 1/4
My answer is z < 9/20
3 answers
thank you
it is Z > 9/20
@Aaron is right.
don't swap direction unless multiplying or dividing by a negative value
@Aaron is right.
don't swap direction unless multiplying or dividing by a negative value
1 answer