Answered

the school theather department made $2,142 on ticket sales for the three nights of their play. the department sold the same amount of tickets each night and each ticket coast $7. how many tickets did the theater department sell each night

Answer :

2142 / 3 = 714

714 / 7 = 102 tickets per night.

Or. 

2142 / $7 = $306

$306 / 3 = 102