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The ratio of the number of adults to the number of children in a lift is 3 : 11.
Each child has a mass of 11 kg.
Each adult has a mass that was 5 times as much as each child.
The lift can carry a maximum mass of 1144 kg and it is filled to maximum capacity.
(a) How many children are there in the lift?
(b) How many adults are there in the lift?
Notes to students: