Problema Solution
sari bought 45 cards a 3 for $2.00. he sold all the cards at 5 for $5.50. what was sari's profit?
Answer provided by our tutors
bought 45 cards / 3 cards a set = 15 sets at $2 = $30
sold 45 cards / 5 cards a set = 9 sets at $5.50 = $49.50
profit $49.50 - $30 = $19.50