Draw a line, and label the people and their distances.
#1 The 4000th person from the front is the last person. So, between that person and the 1000th from the last there are 999 people.
Now do some thinking and try the others. Why do I think that it is not (just) the teacher who was lazy? ...
1)
How many people are there between the 4,000th person from the front end and the 1,000th person from the back end when there are 4,000 people on a line?
2)
There are 2,500 people on a line. The 100th person counted from the front is Adam. Adam is what number when he is counted from the back?
3)
How many people are there between the 1999th person counted from the front end and the 1999th person counted from the back end when there are 3499 people on a line?
4)
There are 2567 people on a line. How many people are there between the 497th person counted from the front end and the 1789th person counted from the back end?
{Please Help! Explain how you got the answers and show! Teacher was too lazy to explain}
1 answer