Question

In a garage, the ratio of red cars to Black cars is 8:5, and ratio of black to white cars is 3:4, what is the minimum number of cars in the garage

Answer 1

8:5=24:15=red cars:black cars
4:3=20:15=white cars:black cars
For every 15 black cars, there are 24 red cars and 20 white cars, adding up to a total of no less than 59 cars
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