Question 14
In December, a shop sold 168 cars in four colours:
• Black cars: five times the number of red cars.
• White cars: three times the number of red cars.
• Grey cars: 18 more than the number of red cars.
How many grey cars were sold?
• Black cars: five times the number of red cars.
• White cars: three times the number of red cars.
• Grey cars: 18 more than the number of red cars.
How many grey cars were sold?