Compare the decimals 18,011.1 and 18,111.01

which comparison is correct?
a.18,011.1> 18,111.01
b.18,011.1< 18,111.01
c.18,011.1=18,111.01

plz need !

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Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?