Ed saved $50 one week. For the next six weeks, he saved $25 more than the week before. how much did he save in all? one student sloved this problem using the expression $50 + 6($25)=200 What error was made? What is the right anwser?

Answer 1

The same amount was not added every week. Instead complete this table:

Week...Amt.Saved....Total
1.........50.........50
2.........75.........125
3.........100........225
4.........125........350
etc.

Answer 2

725

Answer 3

1st week=$50
2nd week=$75
3rd week=$100
4th week=$125
5th week=$150
6th week=$175
7th week=$200
TOTAL=$875

Answer 4

Y=20x+50