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Answer :

Answer:

Step-by-step explanation:

Since we have given that

Fraction of cars were black = 7

Fraction of cars were red = 32/42 7

Fraction of cars were white is given by

1 - (+3) 7

3 = 1

4-7 7

Total number of cars = 210

So, Number of cars were white is given by

4 7 × 210

= 4 x 30

= 120

Hence, there were 120 white cars.