Daniel had 118 pens more than Eric at first. After Daniel had given away 156 of his pens to Gabriel, Eric had thrice as many pens as Daniel. Find the number of pens Daniel had at first.
| |
Daniel |
Eric |
Comparing between
Daniel and Eric |
118 more |
|
| Before |
1 u + 156 |
3 u |
| Change |
- 156 |
|
| After |
1 u |
3 u |
Daniel had 118 pens more than Eric at first.
If 118 more marbles is given to Eric at first, both will have the same number of marbles.
3 u + 118 = 1 u + 156
3 u - 1 u = 156 - 118
2 u = 38
1 u = 38 ÷ 2 = 19
Number of pens that Daniel has at first
= 1 u + 156
= 19 + 156
= 175
Answer(s): 175
