Question

Total number of cars and auto rickshaw in a garage is 23 the total number of wheels this vehicles 81 if the number of cars is taken as x what is the total number of wheels is of cars

Answer 1

Answer:

12 cars.

Step-by-step explanation:

Let the number of cars be x.

No. of autorikshaws = 23 - x

No. of wheels in each car = 4 × x = 4x.

No. of wheels in each autorikshaw = 3 × ( 23 - x) = 69 - 3x.

4x - 3x + 69 = 81.

x + 69 = 81

x = 81 - 69 = 12.

Ans - 12 cars