Math help

(a) A street guide for Belfast has a scale of 1:15 000. A walkway through the city is 2.4 km long. Find the length of the walkway on the map. Give your answer in centimetres.

(b) Ormeau Park in Belfast has an area of about 25 cm2 on the same map. Calculate the area of the park on the ground. Give your answer in km2, correct to 2 significant figures

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