Answer:
78 people
Step-by-step explanation:
Given that out of 11 people surveyed at the mall, 2 have a car.
Based on these results if this ratio remains constant, then by unitary method
1 people surveyed at the mall, [tex] \frac{2}{11}[/tex] people have a car.
Therefore, 429 people surveyed at the mall, [tex] \frac{2}{11} \times 429 = 78[/tex] people will have a car. ( Answer )