The pie chart shows the result of a survey carried out to find the modes of travel used by school children. Study the pie chart and answer the following questions
Bus=120
Car=90
Walk=60
Cycle=60
Taxi=30
(i) What is the most common mode of transport?
(ii) What fraction of children travel by car?
(iii) If 28 children travel by car, how many children took part in the survey?
(iv) How many children use taxis?