Mathematics, 22.04.2021 20:30 MarsBars8798
In 1987, a survey of 1000 young people found that 540 said they smoked cigarettes, whilst
460 said they did not. In 2017, a similar survey of another 1000 young people found that
125 said they smoked cigarettes, whilst 875 said they did not.
Calculate the ratio of smokers to non-smokers in 2017. Give your answer in simplest form:
Show your workings.
[2 marks]
Answers: 1
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In 1987, a survey of 1000 young people found that 540 said they smoked cigarettes, whilst
460 said...
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