Step 1 : Underline the keywords
A charity is planning a concert to raise money. There are 135 stall tickets and 70 deluxe tickets. The cost of deluxe tickets is 20 percent more than a stall ticket plus an additional 1.50$. The concert organizing committee expects to sell all the tickets and raise 2750$ from the ticket sales. Which of the following system of equations can be used to
Step 2 : Recognize the variables : s and d
Decipher the relation b/w the variables :
1. cost of deluxe tickets is 20 percent more than a stall ticket plus an additional 1.50$:d=1.20s+1.50
2. 135 stall tickets and 70 deluxe tickets. Also, committee expects to sell all the tickets and raise 2750$ from the ticket sales : 135 s + 70 d = 2750.
Thus, the system of equation are
135 s + 70 d = 2750 and d = 1.20 s + 1.50.
Rewriting, the second equation : d - 1.20 s = 1.50
Hence, option B is correct.