anwser c.
multiply by 180 (n-2)
count how many sides you have.. subtract the sides by the number 2. then multiply tht by 180
Group of students = 18/18 (100%)
Boys = 9/18 (50%)
Boys with brown eyes = 4/18 (idk :p)
It's 4/18 because:
Brown eyed boys make out the 4/9 of the boys, and boys make out the half of the whole class. So the easiest way was to double 9 and get x/18. (Sorry for my bad English..)
Answer:
Step-by-step explanation:
Subtract the distance driven by Rohan from the total distance
Distance driven by Raj = 1245 - 412
= 833 km