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enrollment in the ski/snowboard club increased by 30% this year. there are now 182 students in the club. how many students were there last year?
enrolement increased by 30% that means last year=100% incease of 30%=30+100=130% now
now=182
percent means parts out of 100 so 130%=130/100=13/10
182=13/10 of x (x represents the number last year) of means multipy so 182=13/10 times x multiply both sides by 10/13 to clear fraction 182 times 10/13=x=140
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