John had 122 pens more than Ben at first. After John had given away 191 of his pens to Cole, Ben had four times as many pens as John. Find the number of pens John had at first.
| |
John |
Ben |
Comparing between
John and Ben |
122 more |
|
| Before |
1 u + 191 |
4 u |
| Change |
- 191 |
|
| After |
1 u |
4 u |
John had 122 pens more than Ben at first.
If 122 more marbles is given to Ben at first, both will have the same number of marbles.
4 u + 122 = 1 u + 191
4 u - 1 u = 191 - 122
3 u = 69
1 u = 69 ÷ 3 = 23
Number of pens that John has at first
= 1 u + 191
= 23 + 191
= 214
Answer(s): 214
