Ben, Claire, and Jay sold raffle tickets. Ben sold 3 times as many raffle tickets as Claire. Jay sold 5 times as many raffle tickets as Claire. If Ben sold 18 raffle tickets, what was the total number of raffle tickets sold?
Claire sold x tickets
then Ben sold 3x tickets
and Jay sold 5x tickets
given: 3x = 18
find x, and away you go .