A cup of coffee and a mint cost $1.10. The cup of coffee costs one dollar more than the mint. How much does the mint cost?
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Total cost=1.10 dollars
let the price of mint be X,
therefore the price of coffee will be X +1
so X +X+1=1.10 ,2x+1=1.10
2X=1.10-1,2X=0.10 divide by 2,X=0.05 that the price of mint
answer =0.05 dollars
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