Charlie and Chang start at the same point and drive in opposite directions. Charlie drives 69 mph and Chang drives 60 mph. How f
1 answer:
You might be interested in
Solution:
we are given that
In a class, every student knows French or German (or both).
15 students know French, and 17 students know German.
Suppose there are x student who knows both French and German.
Then Total number of student in the class will be
But to guess the largest possible number of student in the class we can assume x=0
Hence the largest Possible number of Student in the class=32