The school's foreign language classes totaled 90 students last year. This year there are 83 students. What is the percent decrease, rounded to the nearest tenth of a percent?
Answers
7.8%
8.4%
7.0%
7.5%

Question

The school's foreign language classes totaled 90 students last year. This year there are 83 students. What is the percent decrease, rounded to the nearest tenth of a percent?
Answers    
   7.8% 
   8.4% 
   7.0% 
   7.5%

phi · Answer

first make the fraction

change  divided by original amount


make the fraction a decimal, then multiply by 100

here the change is 7  (from 90 to 83)
the original is 90

can you finish ?