Question

30% of the cars in a particular parking lot are red. If there are 12 red cars, how many cars are parked in the parking lot?

Answer 1

Imagine, total car number is x

Hence, 30% red car mean x ×30/100=3x/10

>3x/10=12

Or, x=12×10/3 =40

:•the total car number is 40.