Mathematics, 04.09.2021 19:50 airelle146
In a car park the ratio of white cars to black cars is 2:7.
The ratio of white cars to red cars is 3:11.
Altogether there are 343 white, black and red cars.
How many black cars are in the car park?
Could anyone please teach me the method?
Answers: 2
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In a car park the ratio of white cars to black cars is 2:7.
The ratio of white cars to red cars is...
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