The percent of working students increased 11.7% to 51.3%, what was the percent prior to the increase

Let the prior percentage be

If we add 11.7% to  , we get 51.3%.

That is  .

This is a linear equation in  , so we solve for x to obtain,

Therefore the prior percentage was 39.6%

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation:

step-by-step explanation: the answer is 27. first multiply .32 by 25 which equals 8. then add 8 to 25 which gives you 33. then you subtract that from 6 since she gave 6 to her brother.

,, add !