Answer:
30 hours
Step-by-step explanation:
300 - 30
270/7.5
Answer:
1.538888
Step-by-step explanation:
A) There was no change in the number of students on honor roll from one year to the next. This is noticeable because 200/1000 = .2 just as 20%/100% = .2 or 20/100 = .2. So there never was a change!
The Selling Price of The Book before discount will be 20