45 cards
Using set theory let A contain the students who failed mathematics (50) and B contain the students that failed English (30). Now set A and B intersect so they share the same students (5). Therefore the students who passed both subjects is the complement of the union of the sets. ~(AUB)=~(A+B-AintersectB)=100-(50+30-5)=25 students.
juan:34 kim: 30 larry:36 + _________ 100
5796 ÷ 28 = 207
500 cards
45 cards
12
28.
24
2
140
You will have 66 baseball cards and 86 soccer cards.
You start backwards, you know you have 80 baseball so that makes 40 football. 20 basketball, and 40 hockey.
Around 5000 students passed IIT JEE 2012. Indian Institute of Technology's are the top colleges for engineering in India.
Thirty Lakhs
This works out fairly simply, He has 8 football cards and 24 Baseball cards.
51