The ratio of smokers to nonsmokers in a restaurant is 2 to 7.There are 100 more nonsmokers than smokers. How many smokers and nonsmokers are in the restaurant?
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Step-by-step explanation:
let smokers be 2x and non smokers be 7x.
given,
2x+100=7x
5x=100
x=20
2x=40 is number of smokers
7x=140 is number of non smokers
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