drewt
Answered

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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?

Sagot :

apologiabiology
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



140 students last year
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