7 pens and 20 pencils because 28 divided by 4 = 7 and 80 divided by 4 = 20
Umm no you need to do your own work and do not be asking for answers
Nothing is handed to you ....you need to work HARD to get what you want.
Sorry I do not know. Sorry to let you down
If all students scored the same the score of each student would be 4.5.