WAEC Mathematics 2021 Question 43

Question 43

Linear and Simultaneous Equations

Five hundred tickets were sold for a concert. Tickets for adults and children were sold at $4.50 and $3.00 respectively. If the total receipts for the concert was $1,987.50, how many tickets for adults were sold?

  1. A.325
  2. B.235
  3. C.175
  4. D.400
Show the answer and explanation

Answer: A (325)

Explanation

If all 500 were child tickets: $1,500. The extra $487.50 comes from $1.50 more per adult ticket, so 487.50 ÷ 1.50 = 325 adults.