The ratio of black cars to green cars in a car park is 71:53 . Rewrite this as an equivalent ratio of the form n:1 . Give any decimals in your answer to 2 d.p.

1. We are given the ratio of black cars to green cars as 71:53.2. To rewrite this ratio in the form n:1, we need to divide both parts of the ratio by the number of green cars, which is 53.3. 4. Calculating this gives .5. Therefore, the equivalent ratio in the form n:1 is approximately 1.3396:1.