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 840! If three times the number of one-step equations minus twice the number of two-step equations is equal to 870, how many one-step equations auditioned today?

330
510
520
660

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 840! If three times the number of one-step equations minus twice the number of two-step equations is equal to 870, how many one-step equations auditioned today?

330
510
520
660

anonymous · Answer

for real this is easily the tenth time i have seen this weirdo problem.  what on line class is this???

anonymous · Answer

algebra 2 on florida virtual

anonymous · Answer

510  Solve the following for one and two:
{one + two = 840, 3 one - 2 two =870}
{one = 510, two = 330}