Q1:
At a performance, 3/5 of the audience is adults. Among the children, the ratio of older children to toddlers is 3:1. Find the number of toddlers if there are 2800 people in the audience.
Q2:
A newspaper delivery man delivers newspapers to some flats and private houses. The ratio of the number of flats to the number of private houses that use his service is 9:2. After he has delivered newspapers to 30 flats, the ratio of the number of flats to the number of private houses he still has to deliver newspapers to becomes 2:1. Find the total number of flats and private houses that use his services.
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