A = 155 - S
$2.50S + $4.00A = $492.50
Substitute 115-S for A in the second equation and solve for S. Insert that value into the first equation to solve for A. Check by putting both values into the second equation.
There are 155 people at the basketball game. Tickets for the game are $2.50 for students and $4 for adults. If the total ticket money received is $492.50 how many students and adults attended the game?
1 answer