Ok.You have 24$. You used 20$. And you have $4 left. You bought 5 pens. So $20.00/ 5=$4.00. Each pen is four dollars.
Assuming each X represents 1 student. 1 more student read 6 books than less than 4. 6 books has 6 Xs and 2 books has 5 Xs.
Answer: 1
Answer:
It's the point in where they intersect or cross.
