Mrs. Rodrigues was selling two kinds of raffle tickets for $1.50 and $3.50. The number of $1.50 tickets sold was 5 more than three times the number of $3.50 tickets sold. She earned a total of $1,607.50. How many $1.50 tickets were sold?

x = tickets1.50(3x+5) +3.50x = 1607.504.50x +7.50 +3.50x = 1607.508.00x + 7.50 = 1607.508.00x = 1600x = 1600/8 = 200 ( number of 3.50 tickets sold)200*3 = 600+5 = 605 there was 605 tickets sold for $1.50