In a class of 20 students the average age of all the students is 16 years. the oldest student exactly 16 year old . what us the average of the youngest student.

15 years old

Step-by-step explanation:

the reason is to be able to find the average of the youngest you have to take off one year so the youngest is most likely  mid 15

what was there favorite food

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.