Problems adapted from questions set for previous Mathematics exams.
An Airbus A380 plane is used by Tran Tours to fly between Dubai and London and holds a maximum of 740 passengers. The seating has been configured so that 15% of the seats are business class and the rest are economy class.
On one full flight, the ratio of males to females was 3:2. One eigth of the females were in business class.
How many males were in economy class?
The ratio a : b is equivalent to the ratio 7 : 3 and 8b = 5c
Find the ratio a : c in its simplest form.
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