I don’t think you can solve by using quadratic equation
Answer:
1455
Step-by-step explanation:
0.03% x 1500 = 45
therefore, 45 students were late
1500 - 45 = 1455 punctual
QR IS 23.8! Just subtract 68.4-44.6. The answer is right because 44.6+23.8=68.4