The three Math Idol judges have been eliminating contestants all day! The number of one-step equations and two-step equations who have been eliminated today is equal to 1070! If three times the number of one-step equations minus twice the number of two-step equations is equal to 110, how many one-step equations auditioned today?

900

620

520

450

Question

The three Math Idol judges have been eliminating contestants all day! The number of one-step equations and two-step equations who have been eliminated today is equal to 1070! If three times the number of one-step equations minus twice the number of two-step equations is equal to 110, how many one-step equations auditioned today?

900

620

520

450

anonymous · Answer

http://answers.yahoo.com/question/index?qid=20110903113658AANB9Kr

anonymous · Answer

Up above is an explanation given of the question that I found.

anonymous · Answer

Let x = the number of one-step equations
Let y = the number of two-step equations
Then set up a system of equations.
x + y = 1070
3x - 2y = 110
Just solve the system now.

anonymous · Answer

thank you :) your awesome!

anonymous · Answer

thank you too calcmathlete