Question
The table shows the number of families living in different types of HDB flats in a new town last year. This year, 12 families from the 3-room flat and 20 families from 4-room flat moved to 6-room flat. At the same time, 12 families from 5-room flat moved to 4-room flat. How many families live in a HDB flat with less than 5 rooms this year?
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The table shows the number of families living in different types of HDB flats in a new town last year. This year, 12 families from the 3-room flat and 20 families from 4-room flat moved to 6-room flat. At the same time, 12 families from 5-room flat moved to 4-room flat. How many families live in a HDB flat with less than 5 rooms this year?